Question

1 For f(x) = -3x – 11, find f(x) when x = 3.

Answer 1

We are given the expression

`\text{ -3x -11}`

we want to find the value of this expression when x=3. So we replace x by 3. So we have

`\text{ -3}\cdot(3)\text{ -11 = -9 -11 = -20}`

So f(3) = -20