Radical Functions and Rational Exponents Review

• 216
• 6^1/2
• 6²
• 6^3/2

Tags

CCSS.HSN.RN.A.2

What is the value of  $\left(-243\right)^{\frac{3}{5}}$  

• -27

• -3

• 3

• 27

Simplify.

• -25
• -5
• 1/25
• 1/5

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

Simplify  $-z^2\sqrt{16z^3}+3\sqrt{36z^7}$  

•  $-z^3\sqrt{z}$  

•  $14z^3\sqrt{z}$  

•  $14z^4\sqrt{z}$  

•  $92z^3\sqrt{z}$  

When f(x) = 9 - 3x and g(x) = 5x - 7

find f(x) + g(x).

• 14x - 10

• -8x + 2

• 2x + 2

• 2x - 2

Tags

CCSS.HSF-BF.A.1B

Given f(x) = 2x and g(x) = x² + 3

find f(g(x)).

• x² + 2x + 3

• 4x² + 3

• 2x² + 3

• 2x² + 6

Tags

CCSS.HSF-BF.A.1C

f(x)=2x + 4

g(x)=3x² - 1

Find f(x) ⋅ g(x)

• 6x⁴ + 12x³ - 4x² - 8x

• -6x³ + 12x² + 2x - 4

• 6x³ + 12x² - 2x - 4

• 5x² - 18x + 20

Tags

CCSS.HSF-BF.A.1B

Are the following inverses of each other? Use composition of functions. fog(x) and gof(x)

• True

• False

Tags

CCSS.HSF-BF.B.4B

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

Tags

CCSS.HSF-BF.B.4A

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