Question

Can anyone help me with letter c please. f(t)

Answer 1

Well, they are just plugging the x in and evaluating the exponent. Here's what the answers would be:

`image`

For the last one, it's no different then having an x there. t is just a variable as x is.

Answer 2

we have given that
`f(x)=2^x.`.

we need to find
`f(t).`.

we know that we need to plug t in place of x in the equation f(x)=2^x.

`f(t)=2^t` .for example for
`f(4)=2^4`

they have plugged 4 in place of x. so we plug in plug t in place of x .