For the graph of a circular function y = f(x), determine whether f(-x) = f(x) or f(-x) = -f(x) is true.
A. f(-x) = -f(x)
B. f(-x) = f(x)
Answer: A
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Find the volume of the solid generated by revolving the region about the y-axis.The region in the first quadrant bounded on the left by y = 
, on the right by the line 
, and above by the line y = 2
A. 
?
B. 
?
C. 
?
D. 25?
Use a graphing utility to find the equation of the line of best fit. Round to two decimal places, if necessary.
A. y = 0.32x + 4.29 B. y = 0.30x + 2.57 C. y = 0.32x + 2.57 D. y = 0.30x + 4.29
Provide an appropriate response.Find the maximum value of f(x) = 7 - 2x - x2.
A. 7 B. 8 C. 9 D. 10 E. 11
Solve the problem.The number of bacteria growing in an incubation culture increases with time according to B = 3200(2)x, where x is time in days. Find the number of bacteria when 
and 
A. 3200; 25,600 B. 6400; 51,200 C. 3200; 51,200 D. 3200; 12,800