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This quiz contains 7 questions from a mix of 1 subtopics.

Find the value of gf(3).


f(x) = 2x - 4

g(x) = 3x + 5

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Find the value of fg(4).


f(x) = 2x - 5

g(x) = x2 - 10

7

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1

Find gf(x).


f(x) = x + 4

g(x) = 2x − 5x​

2x − 3​
2x + 3x + 4​
2x − 3x − 3​
x + 42x − 3​

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1

Find fg(x).


f(x) = 3x + 1

g(x) = x2

3x2 + 1

9x2 + 3

(3x + 1)2

(3x+1)2 + x2

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1

Find gh(x).


g(x) = 3x + 2

h(x) = 3x + 7

gh(x) = 9x2 + 14

gh(x) = 9x + 23

gh(x) = 3x + 23

gh(x) = 9x2 + 9

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Find gh(x).


g(x) = 5x + 3

h(x) = x2 + 3

gh(x) = 5x2 + 18

gh(x) = 5x2 + 9

gh(x) = 4x2 + 9

gh(x) = 5x + x2 + 6

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Find ff(x).


f(x) = 2x - 4

ff(x) = 4x - 12

ff(x) = 4x2 + 8

ff(x) = 4x2 - 8x + 16

ff(x) = 4x - 8

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1