Solve the problem.Find the work done in winding up a 300-ft cable that weighs 4.00 lb/ft.
A. 540,000 ft?lb
B. 180,000 ft?lb
C. 45,000 ft?lb
D. 2400 ft?lb
Answer: B
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Evaluate the function at the indicated value.Find 
when f(x) = x2 + 7x + 4.
A. 1
B. 
C. 2x+ h + 7
D. 2x+ h + 4
Solve the problem.The number of traffic accidents has been decreasing in a certain county each year. The data is shown in the table for several recent years. The set of data can be approximated with a linear equation.
Calculate the slope of the line.
A. -148 B. -84 C. -74 D. 84
Suppose the point (2, 4) is on the graph of y = f(x). Find a point on the graph of the given function.f(x) + 10
A. (2, 14) B. (12, 4) C. (2, -10) D. (-8, 4)
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is shifted 7 units to the left and 2 units downward.
A. y = (x - 7)2 - 2 B. y = (x - 2)2 + 7 C. y = (x + 7)2 - 2 D. y = (x + 2)2 - 7