Question

F(-2) for f(x)=5•3^x

Answer 1

We have the function:

`f(x)=5\cdot3^x\text{.}`

We must find the value of f(-2), so we must evaluate the function f(x) for x = -2:

`f(-2)=5\cdot3^(-2)=(5)/(3^2)=(5)/(9)\cong0.555\ldots`

Answer

`f(-2)=(5)/(9)\cong0.555\ldots`