Solve the problem.The cost C, in dollars, of renting a car for a week from from Pricebusters Rent-A-Car can be approximated by the function 
where m is the number of miles the car is driven. Find the domain of the function.
A. {
x is a real number}
B. {
x ? 340}
C. {
x ? 0}
D. {
x ? 0.11}
Answer: C
Mathematics
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Find the inverse of the function.f(x) = 
, x ? -4
A. f-1(x) = x2 - 16, x ? 0 B. f-1(x) = -x2 + 4, x ? 0 C. f-1(x) = x2 - 4, x ? 0 D. Not a one-to-one function
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Write the quotients with positive exponents.
A. 
B. 
C. x3y7z4
D. 
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Find the exact function value.tan 45°
A. 
B. 
C. 1
D. 
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Use the product rule to simplify the radical.
A. 10
B. 70
C. 22
D. 7
Mathematics