Question

Evaluate the function rule for the given value. f(x) = 15^x for x = 3

a. 14,348,907

b. 3375

c. 225

d. 45

Answer 1

b.3375
since x is 3 you then type the equation like this 15^3 and multiply 15 three times

Answer 2

`15^(3)` = 3375.

Explanation:

Given :
`f(x) = 15^(x)` for x =3.

To find : evaluate the function rule for the given value.

Solution : We have given
`f(x) = 15^(x)`.

For x = 3.

Rule : If
`a^(3) = a*a*a`

`f(3) = 15^(3)`

Then
`15^(3)` = 15*15*15.

`15^(3)` = 3375.

Therefore,
`15^(3)` = 3375.