Question

Below is the graph of y=bx b=?

Answer 1

Explanation:

y=b^x

when x=-2,y=4

4=b^{-2}

b^2=1/4

b=√(1/4)=1/2=0.5

Answer 2

.5

Explanation:

Plug in a point on the line. Let us take (-1,2).

When you plug it in, you get:

2 =
`b^(-1)`-->

2 = 1/b -->

b = .5