Algebra 3 Unit 2 Test Review

Find the inverse of f(x) = -4x - 12

• f^-1(x) = 4x - 3
• f^-1(x) = -1/4x - 3
• f^-1(x) = 1/4x + 3
• f^-1(x) = -4x - 3

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CCSS.HSF-BF.B.4A

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CCSS.HSF-BF.B.4A

Find the inverse function

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CCSS.HSF-BF.B.4A

Find the inverse function

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CCSS.HSF-BF.B.4A

Are these functions inverses?

• Yes
• No

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CCSS.HSF-BF.B.4B

Which graph represents f^-1(x) over the same domain?

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CCSS.HSF-BF.B.4C

What does it mean to find the inverse of a function?

• switch the x's and y's

• divide the x's and y's by 2

• make the x's and y's negative

• make the x's and y's the same

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CCSS.HSF-BF.B.4A

If the equation of f(x) goes through (1, 4) and (4, 6), what points does f^-1(x) go through?

• (1, 4) and (4, 6)
• (-4, -1) and (-6, -4)
• (-1, -4) and (-4, -6)
• (4, 1) and (6, 4)

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CCSS.HSF-BF.B.4C

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

• x²+2x+3
• 4x²+3
• 2x²+3
• 2x²+6

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CCSS.HSF-BF.A.1C

Given f(x)= -3x+7 and g(x)=2x² - 8, find g(f(x)).

• g(f(x))= -6x²+31
• g(f(x))= -6x²+24
• g(f(x))=18x²-84x+90
• g(f(x))=9x²-42x-41

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CCSS.HSF-BF.A.1C