Which of the following represents a function?
a.
x -11 -7 -1 -1
y 18 16 18 17

b.
x -11 -7 -1 -7
y 18 16 18 17

c.
x -11 -7 -11 5
y 18 18 24 17

d.
x -11 -7 -1 5
y 18 16 24 18

Find the length of cu, the triangles are similar.

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Aline passes through (1,-5) and(-3,7) write an equation for the line in point slope form rewrite the equation in slope intercept form