Find the inverse of the function.f(x) = 5x + 3
A. f-1(x) = 
B. f-1(x) = 
- 3
C. f-1(x) = 
D. Not a one-to-one function
Answer: C
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Change the Cartesian integral to an equivalent polar integral, and then evaluate.
A. 
B. 
C. 
D. 
Find an upper bound for the magnitude |E| of the error in the approximation f(x, y) ? L(x, y) at the given point over the given region R.
at 
; R: |x| ? 0.1, |y| ? 0.1
A. |E| ? 11.4731 B. |E| ? 5.7366 C. |E| ? 10.039 D. |E| ? 20.078
Decide whether the following is an expression or an equation.y = 15 - 6x2
A. Expression B. Equation
Using a dot product, calculate the work done in the given situation.A car is pulled 180 feet on level ground by a constant force of 75 pounds applied to a rope inclined at an angle of 9° relative to the ground.
A. 2111.9 ft-lb B. 13,333.8 ft-lb C. 13,500 ft-lb D. No work is done