Describe in words the definition of translation.

What is the inverse of the function y = 2x - 10?

A $y^{-1}=-\frac{1}{2} x+5$

B $y^{-1}=-2 x-5$

C $y^{-1}=2 x-5$

D $y^{-1}=\frac{1}{2} x+5$

What does it mean for a relation to be a function? Describe a function in your own words.

Describe what it means to be a constant function.

What is the inverse of the function y = 2x - 10?

A $y^{-1}=-\frac{1}{2} x+5$

B $y^{-1}=-2 x-5$

C $y^{-1}=2 x-5$

D $y^{-1}=\frac{1}{2} x+5$