﻿ What is the range of the function y=\cos 2x ? - AssignmentGrade.com

# What is the range of the function y=\cos 2x ?

QUESTION POSTED AT 18/04/2020 - 06:48 PM

All real numbers is the answer

## Related questions

### A movie rental store charges a $6.00 membership fee plus$2.50 for each movie rented. The function f(x)= 2.50x + 6 gives the cost of renting x movies. Graph this function and give its domain and range.

QUESTION POSTED AT 02/06/2020 - 01:56 AM

### Part A: Billy rented a canoe at $14 for 2 hours. If he rents the same canoe for 5 hours, he has to pay a total rent of$29. Write an equation in the standard form to represent the total rent (y) that Billy has to pay for renting the canoe for x hours. (4 points) Part B: Write the equation obtained in Part A using function notation. (2 points) Part C: Describe the steps to graph the equation obtained above on the coordinate axes. Mention the labels on the axes and the intervals. (4 points) Part A: Ax By= C

QUESTION POSTED AT 02/06/2020 - 01:53 AM

### Part A: Billy rented a canoe at $14 for 2 hours. If he rents the same canoe for 5 hours, he has to pay a total rent of$29. Write an equation in the standard form to represent the total rent (y) that Billy has to pay for renting the canoe for x hours. (4 points) Part B: Write the equation obtained in Part A using function notation. (2 points) Part C: Describe the steps to graph the equation obtained above on the coordinate axes. Mention the labels on the axes and the intervals. (4 points) Part A: Ax By= C

QUESTION POSTED AT 02/06/2020 - 01:47 AM

### The graph below shows four straight lines, W, X, Y, and Z: Graph of line W going through ordered pairs negative 4, negative 2 and negative 1, 5. Graph of line X going through ordered pairs negative 2, negative 1 and 0, 5. Graph of line Y going through ordered pairs negative 1, negative 3 and 1, 3. Graph of line Z going through ordered pairs 0, negative 5 and 2, 1. Which line is represented by the function f(x) = 3x + 5?

QUESTION POSTED AT 02/06/2020 - 01:43 AM

### A painting is purchased for $500. If the value of the painting doubles every 5 years, then its value is given by the function V(t) = 500 ⋅ 2t/5, where t is the number of years since it was purchased and V(t) is its value (in dollars) at that time. What is the value of the painting ten years after its purchase QUESTION POSTED AT 02/06/2020 - 01:37 AM ### Which value represents the horizontal translation from the graph of the parent function f(x) = x^2 to the graph of the function g(x) = (x-4)^2+2? QUESTION POSTED AT 02/06/2020 - 01:35 AM ### What transformation has changed the parent function f(x) = log5x to its new appearance shown in the graph below logarithmic graph passing through point 5, negative 2. QUESTION POSTED AT 02/06/2020 - 01:34 AM ### A sequence is defined by the recursive function f(n + 1) = f(n). If f(3) = 9 , what is f(1) ? QUESTION POSTED AT 02/06/2020 - 01:33 AM ### Graph the exponential function. y = 4(3) x QUESTION POSTED AT 02/06/2020 - 01:30 AM ### Janie is analyzing a quadratic function f(x) and a linear function g(x). Will they intersect? QUESTION POSTED AT 02/06/2020 - 01:30 AM ### Arrange the circles (represented by their equations in general form) in ascending order of their radius lengths. Tiles x2 + y2 − 2x + 2y − 1 = 0 x2 + y2 − 4x + 4y − 10 = 0 x2 + y2 − 8x − 6y − 20 = 0 4x2 + 4y2 + 16x + 24y − 40 = 0 5x2 + 5y2 − 20x + 30y + 40 = 0 2x2 + 2y2 − 28x − 32y − 8 = 0 x2 + y2 + 12x − 2y − 9 = 0 QUESTION POSTED AT 02/06/2020 - 01:21 AM ### Which of the graphs in Fig. Q25.12 best illustrates the current I in a real resistor as a function of the potential difference V across it? Explain. (Hint: See Discussion Question Q25.11.) QUESTION POSTED AT 02/06/2020 - 01:20 AM ### Find the derivative of the following functions f(x) = x^7 - 2x^3 - 9x QUESTION POSTED AT 02/06/2020 - 01:20 AM ### Sally is analyzing a circle, y2 + x2 = 9, and a linear function g(x). Will they intersect? QUESTION POSTED AT 02/06/2020 - 01:20 AM ### Given the functions f(x) = 3x2, g(x) = x2 − 4x + 5, and h(x) = –2x2 + 4x + 1, rank them from least to greatest based on their axis of symmetry. A. f(x), g(x), h(x) B. f(x), h(x), g(x) C. g(x), h(x), f(x) D. g(x), f(x), h(x) QUESTION POSTED AT 02/06/2020 - 01:18 AM ### If f(x) is parallel to the line y=3/4x+2/5, which function could be f(x) QUESTION POSTED AT 01/06/2020 - 04:54 PM ### Points B, D, and F are midpoints of the sides of ace EC = 44 and BF = 2x - 6. Find the value of x. QUESTION POSTED AT 01/06/2020 - 04:49 PM ### Please help. Which function has the domain x>=-11 QUESTION POSTED AT 01/06/2020 - 04:47 PM ### Identify the horizontal asymptote of f(x)= 7x+1 over 2x-9 QUESTION POSTED AT 01/06/2020 - 04:46 PM ### The lengths of three sides of a quadrilateral are shown below: Side 1: 3y2 + 2y − 6 Side 2: 3y − 7 + 4y2 Side 3: −8 + 5y2 + 4y The perimeter of the quadrilateral is 4y3 + 18y2 + 16y − 26. Part A: What is the total length of sides 1, 2, and 3 of the quadrilateral? (4 points) Part B: What is the length of the fourth side of the quadrilateral? (4 points) Part C: Do the answers for Part A and Part B show that the polynomials are closed under addition and subtraction? Justify your answer. (2 points) QUESTION 2: A rectangle has sides measuring (4x + 5) units and (3x + 10) units. Part A: What is the expression that represents the area of the rectangle? Show your work to receive full credit. (4 points) Part B: What are the degree and classification of the expression obtained in Part A? (3 points) Part C: How does Part A demonstrate the closure property for polynomials? (3 points) QUESTION 3: A bucket of paint has spilled on a tile floor. The paint flow can be expressed with the function p(t) = 5t, where t represents time in minutes and p represents how far the paint is spreading. The flowing paint is creating a circular pattern on the tile. The area of the pattern can be expressed as A(p) = πp2. Part A: Find the area of the circle of spilled paint as a function of time, or A[p(t)]. Show your work. (6 points) Part B: How large is the area of spilled paint after 2 minutes? You may use 3.14 to approximate π in this problem. (4 points) QUESTION POSTED AT 01/06/2020 - 04:46 PM ### The function f(x) = –x2 + 24x – 80 models the hourly profit, in dollars, a shop makes for selling coffee, where x is the number of cups of coffee sold, and f(x) is the amount of profit. Part A: Determine the vertex. What does this calculation mean in the context of the problem? (5 points) Part B: Determine the x-intercepts. What do these values mean in the context of the problem? (5 points) I have the vertex and the x-intercepts but i need to know what they mean in the context of the problem. QUESTION POSTED AT 01/06/2020 - 04:46 PM ### Identify the horizontal asymptote of f(x)= 2x-1 over x^2-7x+3 QUESTION POSTED AT 01/06/2020 - 04:45 PM ### The graph of the parent function f(x) = x3 is translated to form the graph of g(x) = (x − 4)3 − 7. The point (0, 0) on the graph of f(x) corresponds to which point on the graph of g(x)? (4, −7) (−4, −7) (4, 7) (−4, 7) QUESTION POSTED AT 01/06/2020 - 04:45 PM ### Identify the oblique asymptotes of f(x)=2x^2-5x+2 over x-3 QUESTION POSTED AT 01/06/2020 - 04:45 PM ### Write an equation of a line with the given slope and y-intercept. m =4/5 , b = 2A)y = 4/5x – 2B)y = 4/5x + 2C)y = 5/4x + 2D)y = 2x + 4/5 QUESTION POSTED AT 01/06/2020 - 04:44 PM ### A computer manufacturer built a new facility for assembling computers. There were construction and new equipment costs. The company paid for these costs and made combined profits of$10 million after 4 years, while profits increased $7.5 million per year. Select the correct graph of this function. gif There is a graph of a line that has a y intercept that is approximately negative$2 million and an x intercept that is approximately 0.7 years. There is a graph of a line that has a y intercept that is approximately negative $30 million and an x intercept that is approximately 3 years. There is a graph of a line that has a y intercept that is approximately negative$20 million and an x intercept that is approximately 2.7 years. There is a graph of a line passes through the point of x equals 0 comma y equals 0 and the point of x equals 4 comma y equals \$10 million.

QUESTION POSTED AT 01/06/2020 - 04:44 PM

### What sine function represents an amplitude of 1, a period of 2π, a horizontal shift of π, and a vertical shift of −4?

QUESTION POSTED AT 01/06/2020 - 04:41 PM

### If f(x)=2x and g(x)=5x, calculate f(x)•g(x)

QUESTION POSTED AT 01/06/2020 - 04:38 PM

### Prove that the sum of two odd functions is odd.

QUESTION POSTED AT 01/06/2020 - 04:38 PM

### The axis of symmetry for a function in the form f(x) = x2 + 4x − 5 is x = −2. What are the coordinates of the vertex of the graph? (−9, −2) (−17, −2) (−2, −17) (−2, −9)

QUESTION POSTED AT 01/06/2020 - 04:38 PM