Question

F(t)=t^2+1; Find f(-4t)

Answer 1

`f(-4t)=16t^(2)+1`

Explanation:

`f(t) = t^(2) +1\\`

In f(t) the variable is t, if you need to find f(something) it means you have to replace t for something. In this case you have to replace t for -4t.

`f(-4t) = (-4t)^(2)+1\\=16t^(2)+1`