Question

How do you evaluate `f(-6)` given `f(t)=t^2+2`?

Answer 1

`f(-6)=38`

Explanation:

To evaluate f( -6) , substitute t = - 6 into f( t)

`rArrf(color(red)(-6))=(color(red)(-6))^2+2`

`color(white)(rArrf(-6))=36+2`

`color(white)(rArrf(-6))=38`