College administrators at a small private college noticed that students who had higher high school GPAS
tend to have higher college GPAS
What are the explanatory variable and response
variable for this relationship?
-Explanatory variable size of college
Response variable: college GPA
-Explanatory variable: high school GPA
Response variable college GPA
-Explanatory variable: college GPA
Response variable: high school GPA
-Explanatory variable: type of college (private vs
public)
Response variable: college GPA

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function. a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.