Question

Find f (-2).if f (x) = x²+ 2x- 6

Answer 1

Find f (-2).if f (x) = x²+ 2x- 6

Remember that

f(-2) is the vaue of f(x) when the value of x =-2

substitute

f (-2) = (-2)²+ 2(-2)- 6

f(-2)=4-4-6

f(-2)=-6