What is the average rate of change of the function f(x) = x^2 on the interval from x=2 to x=4? a. 12
b. 10
c. 6
d. 2

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5