Combination & Composition of Functions Flashcard

Front

f(x) = 9-3x and g(x) = 5x-7. Find f(x)+g(x).

Back

2x+2

Front

When f(x) = x²+9 and g(x) = x-9, find f(x)-g(x).

Back

x²-x+18

Front

Given f(x) = 2x and g(x) = x²+3 , find f(g(x)).

Back

2x²+6

Front

f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))

Back

None of these

Front

f(x) = 3x + 10
g(x) = x - 2
Find f(g(5))

Back

19

Front

f(x)=3x²+1
g(x)=4x+5
What is (f+g)(2)?

Back

26

Front

f(x) = 3x + 10
g(x) = x - 2
Find f(g(0))

Back

4

Front

Find q(p(x)) for p(x) = 3x + 4 and q(x) = 2x²

Back

18x² + 48x + 32

Front

If f(x) = 3x-1 and g(x) = x²+2, what is (f ° g)(x) ?

Back

3x² +5

Front

If f(x) = 5x and g(x) = 2x-1, what is the composition f(g(x)) ?

Back

10x-5