Algebra 2 Chapter 5 Review

Find (f ⋅ g)(x) for f(x) = 3x² and g(x) = 5 – x.

• 3x² – x + 5

• 3x² – 15x²

• 75 – 30x + 3x²

• 15x² – 3x³

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CCSS.HSA.APR.A.1

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CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Determine which pair of functions are inverse functions.Determine which pair of functions are inverse functions.

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CCSS.HSF.BF.B.4

If f(x) = x² + 1, and g(x) = x – 2, find [f ◦ g](x).

• x² – 4x + 5

• x² – 1

• x² – 3

• x³ – 2x² + x – 2

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CCSS.HSF.BF.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

• x ≥ 0

• x ≤ –2

• –2 ≤ x ≤ 6

• x ≥ 6

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CCSS.HSA.REI.A.2

Find (f – g)(x) for f(x) = x² + 8x and g(x) = 3x + 5.

• –x² – 5x + 5

• x² + 5x + 5

• x² + 5x – 5

• x² + 11x + 5

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CCSS.HSA.APR.A.1

Find the inverse of f(x) = 3 + 5x.

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CCSS.HSF.BF.B.4

• x ≥ 0

• –2 ≤ x ≤ 10

• x ≥ 10

• x ≥ – 2

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CCSS.HSA.REI.A.2

CCSS.HSA.REI.B.3