Solve. Write a mixed numeral for the answer.A road acceleration test measures the time in seconds required to go from 0 mph to 60 mph. The results for five cars were as follows: 6
sec, 7
sec, 8
sec, 6
sec, and 7
sec. What was the average time?
A. 7
sec
B. 7
sec
C. 7
sec
D. 7
sec
Answer: C
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Provide an appropriate response.Suppose that the second derivative of the function y = f(x) is y'' = (x - 3)(x + 8). For what x-values does the graph of f have an inflection point?
A. -3, -8 B. 3, -8 C. -3, 8 D. 3, 8
Use the power property to rewrite the expression.logx 
A. logx 
B. 4 + logx y
C. 
logx y
D. 4logx y
Solve the problem. Round to an appropriate number of significant digits.The total number of cars sold at a used car lot for the years 1996 and 1997 was 1376. From 1996 to 1997 the number of cars sold declined by 158. How many cars were sold in 1996?
A. 755 B. 773 C. 745 D. 767
Find all numbers for which the rational expression is not defined.
A. x = 8 and x = -8 B. x = 6 and x = -2 C. x = -6 and x = 2 D. x = 0