Erica is hiking down a mountain. She descends at a rate of 36 feet per hour. She began the descent at 10 a. m. and finished at 6 p. m. What was
her change in elevation after two hours?
A-72
B -8
C 72
D8

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

The table below represents a linear function f(x) and the equation represents a function g(x): x f(x) −1 −5 0 −1 1 3 g(x) g(x) = 2x − 7 part a: write a sentence to compare the slope of the two functions and show the steps you used to determine the slope of f(x) and g(x). (6 points) part b: which function has a greater y-intercept? justify your answer. (4 points)

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.