At 5 pm, the Total snowfall is 3 centimeters. at 11 pm it is 14 centimeters. what is the mean of the hourly snowfall. write your answer in simplest form as a fraction or mixed number.

Find the equation using the point (4,8)

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.

The mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.