Evaluate f(x) at the given value of x by hand. f(x) = 
; x = -4
A. - 
B. - 
C. - 
D. 
Answer: C
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Identify the abuse of statistics.You plan to make a survey of 200 people. The plan is to talk to every 10th person coming out of the school library. Is there a problem with your plan?
What will be an ideal response?
Determine whether the statement is true or false.The graph of 
- 
= 1 is a horizontal ellipse.
A. True B. False
Find the probability.A lottery game has balls numbered 1 through 15. What is the probability of selecting an even numbered ball or a 13?
A. 
B. 
C. 
D. 
Solve the problem.Assume that the sales of a certain appliance dealer are approximated by a linear function. Suppose that sales were $7000 in 1982 and $76,500 in 1987. Let x = 0 represent 1982. Find the equation giving yearly sales y.
A. S(x) = 69,500x + 76,500 B. S(x) = 69,500x + 7000 C. S(x) = 13,900x + 76,500 D. S(x) = 13,900x + 7000