Suppose you have two quantitative independent variables, x1 and x2, that you want to use to predict y. Which of the following terms would you add to the model if you believe the relationship between y and x1 depends on the value of x2? a. x1x2
b. x22
c. x13
d. x12

Match each function with its rate of growth or decay

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.