Question

Given f(x)=3x+4 and g(x)=x^2-6 find:
(f of g)(-2)
Help please, your efforts are much appreciated

Answer 1

\[f(g(x))=3(x^2-6)+4\] now plug -2 for x.

Answer 2

did u understand ? or still need jelp ?

Answer 3

*help

Answer 4

i understand i think one sec

Answer 5

can you show me the steps to see if i did it right? and i love your profile picture i'm a huge fan of dragon ball z

Answer 6

@iamlegend Why don't YOU show your steps, so we can see if you did right ;)

Answer 7

ok

Answer 8

3(x^2−6)+4
3((4-6)+4
3((-2)+4
=6

Answer 9

3(-2) = ....?

Answer 10

just one error in last step, when you have multiplication and addition, you do multiplication first, according to PEDMAS

Answer 11

oh yeah right

Answer 12

so you do 3(-2) first, then add 4

Answer 13

the answer is -2

Answer 14

yup.

Answer 15

thnx

Answer 16

welcome ^_^