Solve the problem.If f(x) gives the cost of a rental car after x days of use 
per day, then what does 
give?
A. The number of days rented for 45 dollars
B. The number of days rented for x dollars
C. The cost of rental for 45 days
D. The cost of rental for x days
Answer: B
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Subtract the polynomials.(2x + 6) - (16x - 13)
A. 5x2 B. 18x - 7 C. -14x + 19 D. -14x - 7
Round the number as requested.5,636 to the nearest ten
A. 5,740 B. 5,640 C. 5,650 D. 5,630
Write the expression without negative exponents.y = (4x2 - 8x + 4)-1/3(8x2)
A. y = 
B. y = 
C. y = 
D. y = 
Solve the problem.
The graph of y = f(x) gives the speed limit y along a rural highway after traveling x miles. (i) Evaluate f(12), f(33), and f(36). (ii) At what x-values is the graph discontinuous?
A. 60, 60, 75; f(6), f(12), f(18), f(36), and f(42) B. 75, 67.5, 75; f(12), f(18), f(30), f(36), and f(42) C. 67.5, 75, 90; f(6), f(12), f(18), f(30), and f(36) D. 60, 75, 75; f(3), f(12), f(24), f(30), and f(36)