Question

Let f(x) = -4x + 7 and g(x) = 10x - 6. Find f(g(x)).

Answer 1

substitute x=10x-6 in -4x + 7

Answer 2

Huh?

Answer 3

-4(10x-6)+7

Answer 4

Ohh I thought so.

Answer 5

-40x+31

Answer 6

yups thats the ans

Answer 7

f(g(x))=-40x+31
this is how i went about it...
g(x)=10x-6
for f(g(x))....take g(x) as the x and substitute it into g(x) to give
f(g(x))=-4(10x-6)+7
=-40x+31

Answer 8

That's much easier than it looks. Thanks so much, you two!

Answer 9

np..c:

Answer 10

I actually have one more...

Answer 11

you are most welcome

Answer 12

ok, lets try that too