Question

if f(x) = x + 7 and g(x) = 3x – 2.
A. 3x + 5
B. 3x - 5
C. 3x + 19
D. -3x - 19

I got 25x-16

Answer 1

What's the question? Are you adding, multiplying?

Answer 2

Refresh your page, see if that helps with the reply button. If you're multiplying the two functions, you should come up with an x^2 term.

Answer 3

I would use the FOIL method to make it a little easier/neater when you try it

Answer 4

ex: I'm going to multiply 2x + 5 and -x + 3

(2x+5)(-x + 3)

F: -2x^2
O: 6x
I: -5x
L: 15

-2x^2+6x-5x+15 and then combine like terms.

-2x^2+x+15

Answer 5

of course you have no way of knowing what the question is
\[f(x)g(x)\\f(x)+g(x)\\
f(x)-g(x)\\
f(g(x))\] how knows?

Answer 6

it says f then a little o g

Answer 7

@satellite73