Solve.The average monthly low temperatures for a small town are listed in the table.
The function f(x) = 22.5 sin 
+ 40.7 models this data, where x = 1 corresponds to January 1, x = 2 to February 1, and so on. Approximate when the average low temperature equals 35 °F.
A. March 1 and November 1
B. March 16 and October 16
C. March 5 and October 5
D. April 16 and November 16
Answer: B
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Find the largest open interval where the function is changing as requested.Increasing f(x) = x2 - 2x + 1
A. (-?, 1) B. (-?, 0) C. (1, ?) D. (0, ?)
Determine if the given number is a solution to the given equation. Answer yes or no.Is 20 a solution to 5n = 95?
A. yes B. no
Determine the intervals on which the function is increasing, decreasing, and constant.
A. Increasing on (-?, ?) B. Increasing on (0, ?); Decreasing on (-?, 0) C. Decreasing on (-?, ?) D. Increasing on (-?, 0); Decreasing on (0, ?)
Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.-
A. -3
B. -4
C. -4
D. 4