Question

If f(x) = 2x + 3 and g(x) = x2 + 1,find f(g(3)).
23
47
82
90

Answer 1

What do you think it is

Answer 2

47?

Answer 3

One sec let me check my answer

Answer 4

ok

Answer 5

Firstly, what is g(3)?

Answer 6

I don't know. That's why I'm asking for help obviously..

Answer 7

Well, all you have to do is replace x to 3.

Answer 8

Its 47

Answer 9

find g(3) put 3 at place of x in g(x).

Answer 10

Thank you @bleebleebleed

Answer 11

\[g(x) = x^2+1\\~\\g(\color{red}{3}) = \color{red}{3}^2+1\]

Answer 12

@emilyfuchs your welcome

Answer 13

Are you sure it's 47? lol...

Answer 14

What is it?

Answer 15

POny!! Save them D: !

Answer 16

Work isn't hard to do really...

What is g(3)?

Answer 17

\[g(3)= 3^2 + 1 =~?\]

Answer 18

10?

Answer 19

Yeah, so \[f(g(3)) = f(10)\]

Now find f(10)

Answer 20

S o is the answer 23?

Answer 21

\[f(x) = 2x+3\\~\\ f(\color{red}{10}) = 2\cdot\color{red}{10}+3=~?\]

Answer 22

Correct.

Answer 23

@geerky42 LOL Now do the Nae Nae