﻿ If f(x) = x2 − 1, and f(2a) = 35, then what could be the value of a - AssignmentGrade.com

# If f(x) = x2 − 1, and f(2a) = 35, then what could be the value of a

QUESTION POSTED AT 29/05/2020 - 01:00 AM

F(2a) = 4a^2 - 1 = 35

4a^2 = 36

a^2 = 9

a =  + or  - 3

## 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

### A vacation cabin has a water storage tank. In the first month (30 days) of the vacation season, the amount of water in the tank changed by an average of -36 gallons per day. At the end of the month, the tank contained 1,340 gallons of water. How much water was in the tank originally?

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

### What is the solution to the system of equations? y = –5x + 3 y = 1 (0.4, 1) (0.8, 1) (1, 0.4) (1, 0.8)

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

### Brad sold candy bars and cookies for a fundraiser at school. Candy bars sold for \$3, and cookies sold for \$5. He sold a total of 20 items and made \$76. How many candy bars did Brad sell? (1 point)

QUESTION POSTED AT 02/06/2020 - 01:36 AM

### Find the six arithmetic means between 1 and 29.

QUESTION POSTED AT 02/06/2020 - 01:36 AM

### A botanist measures a plant, in feet, at the beginning of each month and notices that the measurements form a geometric sequence, as shown below. 2, 2.2, 2.42, 2.662, ... If the first measurement was taken on September 1, about how tall was the plant three months before, on June 1, assuming the same growth pattern? A) 0.9 ft B) 1.5 ft C) 1.7 ft D) 2.0 ft

QUESTION POSTED AT 02/06/2020 - 01:35 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

### Use a graphing calculator to solve the equation -3 cost= 1 in the interval from . Round to the nearest hundredth.

QUESTION POSTED AT 02/06/2020 - 01:33 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

### 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

### If f(x)=-5x-11. then f-(x)

QUESTION POSTED AT 02/06/2020 - 01:29 AM

### Find the differential dy of y=1/x+1 Evaluate dy for x=1 , dx=−.01

QUESTION POSTED AT 02/06/2020 - 01:25 AM

### If y varies directly with x, and y is 14 when x is 2, what is the value of x when y is 35?

QUESTION POSTED AT 02/06/2020 - 01:24 AM

### A scatterplot consists of (1, 4.0), (2, 3.3), (3, 3.8), (4, 2.6), and (5, 2.7). The line of best fit used to model the data is y = –0.33x + 4.27. Which residual plot is correct?

QUESTION POSTED AT 02/06/2020 - 01:23 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

### What is the distance between points (6,2) and (4,1) to the nearest tenth?

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

### Using the given points, determine the slope. (8, 1) and (8, -4)

QUESTION POSTED AT 02/06/2020 - 01:19 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

### A set of data has the following linear regression equation y = 1+3x what does the equation predict for a value of x=14?

QUESTION POSTED AT 02/06/2020 - 01:13 AM

### Calculate the average rate of change for the given graph from x = 3 to x = 5 and select the correct answer below. A. 5 B. 3 C. 1 D. 0

QUESTION POSTED AT 02/06/2020 - 01:12 AM

### What is the point slope of a equation of a line with the point 1,8 and slope of -5

QUESTION POSTED AT 01/06/2020 - 05:09 PM

### A target has a bull’s-eye with a diameter of 2 inches. the outer ring is 1 inch wide. what is the area of the outer ring?

QUESTION POSTED AT 01/06/2020 - 05:09 PM

### Maria drew two parallel lines KL and MN intersected by a transversal PQ, as shown below: Two parallel lines KL and MN with PQ as a transversal intersecting KL at point R and MN at point S. Angle KRS is shown congruen Which theorem could Maria use to show the measure of angle KRQ is equal to the measure of angle PSN? (1 point) Select one: a. Alternate Exterior Angles Theorem b. Alternate Interior Angles Theorem c. Same-Side Interior Angles Theorem d. Vertical Angles Theorem

QUESTION POSTED AT 01/06/2020 - 05:08 PM

### A target has a bull’s-eye with a diameter of 2 inches. the outer ring is 1 inch wide. what is the area of the outer ring?

QUESTION POSTED AT 01/06/2020 - 05:07 PM

### Emma earns \$6 each time she mows the lawn and \$8 per hour for babysitting. She is saving up to buy a new pair of jeans that cost \$48. If she mows the lawn x times and babysits for y hours, which graph shows the amount of work she needs to complete to earn at least enough to purchase the new jeans? Image for option 1 Image for option 2 Image for option 3 Image for option 4

QUESTION POSTED AT 01/06/2020 - 05:06 PM

### Is (1,-4) a solution to the equation y=-2x

QUESTION POSTED AT 01/06/2020 - 05:03 PM