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Mathematics 8 Online
jagr2713 (jagr2713):

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

jagr2713 (jagr2713):

-40x + 24 -40x + 31 -40x + 64 -40x + 70

OpenStudy (anonymous):

f(g(x) you would substitute the inside function g(x)..into the outside function (f(x) for the x value.

OpenStudy (anonymous):

In this equation you would take the function g(x) which is 10x-6. And place 10x-6 as the value for x in the function f(x) =-4x-7.

jagr2713 (jagr2713):

i did that but i dot a fraction

OpenStudy (anonymous):

-4(10x-6)+7=??

jagr2713 (jagr2713):

31-40x so its C?

OpenStudy (anonymous):

-40x+31 correct

jagr2713 (jagr2713):

Ty

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