Give a verbal representation for the given function. f(x) = 14 - 4x. Let y = f(x).
A. To obtain y: Add 4 to x, then add 14 to the result.
B. To obtain y: Multiply x by 4, then subtract the result from 14.
C. To obtain y: Multiply x by 14, then subtract the result from 4.
D. To obtain y: Subtract 4 from 14 , then multiply the result times x.
Answer: B
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Graph the inequality.
+ 
? 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 maxima?
A. f has a local maximum at x = -2.5 and 5; the local maximum at -2.5 is -3.3; the local maximum at 5 is -2.5 B. f has a local minimum at x = -3.3 and -2.5; the local minimum at -3.3 is -2.5; the local minimum at -2.5 is 5 C. f has a local minimum at x = -2.5 and 5; the local minimum at -2.5 is -3.3; the local minimum at 5 is -2.5 D. f has a local maximum at x = -3.3 and -2.5; the local maximum at -3.3 is -2.5; the local maximum at -2.5 is 5
Solve the problem.Suppose that the daily cost, in dollars, of producing x televisions is C(x) = 0.003x3 + 0.1x2 + 68x + 620, and currently 60 televisions are produced daily. Use C(60) and the marginal cost to estimate the daily cost of increasing production to 63 televisions daily. Round to the nearest dollar.
A. $5978 B. $6051 C. $6045 D. $5841
Perform the indicated operation. Write the result in the form a + bi.(-1.8 + 5.4i) - (-5.9 - 3.6i)
A. -7.7 + 1.8i B. 4.1 + 9i C. 3.6 - 9.5i D. 3.6 + 9.5i