Subtract.(-8x - 5) - (3x - 8)
A. -8x
B. -11x - 13
C. -11x + 3
D. -5x - 13
Answer: C
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Solve the problem.Amarillo Motors manufactures an economy car called the Citrus, which is notorious for its inability to hold a respectable resale value. The average resale value of a set of 1998 Amarillo Citrus's is summarized in the table below along with the age of the car at the time of resale and the number of cars included in the average. Fit a line of the form ln(V) = m?a + b to the data, where V is the resale value in thousands of dollars and a is the age of the car in years.. 
A. ln(V) = 0.299a - 2.951 B. ln(V) = -0.303a + 2.953 C. ln(V) = 0.314a - 2.986 D. ln(V) = 0.315a
Solve the variation problem.The amount of paint needed to cover the walls of a room varies jointly as the perimeter of the room and the height of the wall. If a room with a perimeter of 40 feet and 
walls requires 
of paint, find the amount of paint needed to cover the walls of a room with a perimeter of 45 feet and 8-foot walls.
A. 36 quarts B. 7.2 quarts C. 3.6 quarts D. 360 quarts
Graph the exponential function.f(x) = 
x + 1
A. 
B. 
C. 
D. 
The graph of a function f is given. Use the graph to answer the question.Find the numbers, if any, at which f has a local minimum. What are the local minima?
A. f has a local minimum at x = -?; the local minimum is -2 B. f has no local minimum C. f has a local minimum at x = 0; the local minimum is -2 D. f has a local minimum at x = -? and ?; the local minimum is 2