Question

Evaluate the function f(x) = 4•7^x

(for x = -1 & x = 2) show your work.
In dire need of help w/ this one!

Answer 1

For x = -1

`f(-1)=4* 7^(-1)=4* (1)/(7^(1))=(4)/(7)`

For x = 2

`f(2)=4* 7^(2)=4* (7* 7)=4* 49=196`