Algebra 2 Functions

Use these functions: f(x)=3x-2
g(x)=2
h(x)=4x

1. What is f(g(x))?
2. What is g(18)?
3. Find h(5).

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  1. 1. you are plugging in g(x) in place of x for f(x). So you get 3(2)-2.

    2. no matter what number you put in for x for g(x), you will get 2.

    3. same logic. plug in 5 in place of x, so you get h(5) = 4(5)

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  2. So the answer for #1 is 4 the answer for #2 is 2 and the answer for #3 is 20?Are you sure because I have a lot riding on this assignment.

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