Use the following function rule to find f(2).

f(x) = 4^x − 4

f(2) =

12

Step-by-step explanation:

4^2 -4

16-4

12

you basically replace x with the number

probably .5

i can on others if necessary.

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168