Question

Given the funtion f(x)=-4-x: A. Evaluate: f(-2) B. Solve for x when f(x) =-8

Answer 1

f(x)=-4-x

A. f(-2)=-4-(-2)=-4+2=-2

      f(-2)=-2

B. f(x)=8

-4-x=8    /+4

-x=12     /*(-1)

x=-12