Algebra 2 Unit 7 Review

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Tags

CCSS.HSF-BF.A.1C

Given f(x) = x² + 3x - 4 and g(x) = x - 1, find (f/g)(x)

• x - 4

• (x² + 3x - 4)/(x - 1)

• x + 4

• ((x+4)(x - 1))/(x - 1)

Find the inverse of f(x) = x² - 5

• f^-1(x) = √(x) + 5
• f^-1(x) = ∛(x-5)
• f^-1(x) = ±√(x+5)
• f^-1(x) = x² - 5

Tags

CCSS.HSF-BF.B.4A

Determine f^-1(2) given the following information about an invertible function, f(x)
f(1) = -3
f(2) = -2
f(-1) = 2
f(3) = -1

• 1
• -1
• 2
• -2

Tags

CCSS.HSF-BF.B.4C

The graph of the function f(x) is shown on the coordinate plane. What is the value of f ^-1(1)?

• 2

• .5

• 0

• -2

Given the function  $f\left(x\right)=\sqrt{\frac{3x}{4}}$  , determine the domain.

•  $x\ge\frac{3}{4}$  

•  $x\ge\frac{3}{4}$  

•  $x>0$  

•  $x\ge0$  

What is the domain of the graph of the radical function?

• all real numbers

• $x\ge-7$

• $x\ge0$

• $x\ge4$

Simplify ∛((8x³)/(125y¹²))

• (2x)/(5y⁴)

• 10xy⁴

• (2x)/(5y⁹)

• 10xy⁹

Simplify  $3^{\frac{2}{7}}\cdot3^{\frac{12}{7}}$  

•  $3^{\frac{24}{49}}$  

• 3

• 9

• 27

Simplify the expression:

• 11√5 + 2∛5
• √365 + ∛40
• 13√5
• 9√5

Tags

CCSS.HSA.SSE.B.3

CCSS.HSN.RN.A.2