In the figure, m z1 =(2x)and m
2
=(x +39)
(a) write an equation to find x. make sure you use an "=" sign in your answer.
equation:
xs ?
(b) find the degree measure of each angle.
x
5
?
m21=1
m22=1

Identify the function that contains the data in the following table: x     -2         0         2         3         5     f(x)     5         3         1         2         4     possible answers: f(x) = |x| + 1 f(x) = |x - 2| f(x) = |x - 2| - 1 f(x) = |x - 2| + 1