Question

Find f(−1) if f(x)= x^2-6x/x+2

Help please!

Answer 1

f(-1)=6

Explanation:

If
`f(x)=(x^2-6x)/(x+2)`, then f(-1) is found by substituting (-1) for x in the function:

`f(-1)=((-1)^2+6(-1))/((-1)+2)`

Simplify:

`f(-1)=(1+5)/(1)\\f(-1)=6`