Solve the problem.A rectangle that is x feet wide is inscribed in a circle of radius 36 feet. Express the area of the rectangle as a function of x.
A. A(x) = x
B. A(x) = x
C. A(x) = x(5,184 -x2)
D. A(x) = x2
Answer: A
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Graph the function.y = 2x2 - 2x - 1
A. 
B. 
C. 
D. 
Find the center (h, k) and radius r of the circle with the given equation. 4x2 + 4y2 - 12x + 16y - 5 = 0
A. (h, k) = (
, -2); r = 
B. (h, k) = (
, -2); r = 
C. (h, k) = (- 
, 2); r= 
D. (h, k) = (- 
, 2); r = 
Let x be a number. Translate the English phrase into a mathematical expression.The total of -106 and a number
A. -106 B. 106 - x C. -106 + x D. -106x
Solve the problem.The charges for renting a moving van are $65 for the first 20 miles and $5 for each additional mile. Assume that a fraction of a mile is rounded up. Find a symbolic representation for a function f that computes the cost of driving the van x miles, where 
(Hint: express f as a piecewise-constant function.) Then, determine the cost of driving the van 94 miles.
A. f(x) = 
; $635
B. f(x) = 
; $6480
C. f(x) = 
; $635
D. f(x) = 
; $435