Question

given that f(x)=2x+1 and g(x)=3x-1/2 solve for g(f(3))

Answer 1

A. 5
B. 7
C.9
D. 10

Answer 2

So first, do u have any idea what the answer might be?

Answer 3

@undeadknight26 help? please lol

Answer 4

I lazy D:
but because you said please i guess its proper manners to try ;-;
What do you ahve so far?

Answer 5

Lol thank you ^.^ and im not sure how to do this at all? I think you have to replace the f with g? right?

Answer 6

I THINK its:
3x(2x+1) - 1/2
I think...Im sorry if its wrong....

Answer 7

I just learned these myself a week ago so im really rusty on em.

Answer 8

sorry:/ haha i think @undeadknight26 this queation stumped me to

Answer 9

Its okay :) lol see I got 1/2(5x+1) but i think thats wrong because thats not the multiple choice answers. I dont know where I am messing up at

Answer 10

thats what i got to, im still tryna figure it out

Answer 11

http://www.mathsisfun.com/sets/functions-composition.html

Answer 12

thats still confusing

Answer 13

Well basicly what i did...

Answer 14

@Abhisar @Hero @hba @ganeshie8 im stumped...can you guys help? I dunno what to do.

Answer 15

@broskishelleh do you understand this? lol

Answer 16

haha dont think he does, i dont either

Answer 17

Damn it D: lol

Answer 18

haha im still workin on it tho

Answer 19

what about this?
x y
1 10
3 4
5 -2
find the average rate of change for the given function from x=3 to x=5

A. -6
B. -3
C. 3
D. 6