Question

Solve equation for X by graphing -2x-3=3^x+2

A.x=-2.75
B.x=-2
C.x=-1.75
D.x=-2.5

Answer 1

D) -2.5

Explanation:

Answer 2

Option D. x=-2.5

Explanation:

we have

`-2x-3=3^x+2`

I can divide the expression above in a system of two equations

`y=-2x-3` ----> equation A

`y=3^x+2` ----> equation B

Solve by graphing

The solution is equal to the x-coordinate of the intersection point both graphs

using a graphing tool

The intersection point is ( -2.5,2.1)

see the attached figure

therefore

The solution is x=-2.5