Final Review Extra Credit

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

f(x) = -3x⁴ + x³ - 2x² + x - 1

What is the degree of f(x)?

• 3

• 1

• 4

• 2

f(x) = x³ - 3x² - 4x

Find the zeros of f(x).

• {-4, 0, 1}

• {-1, 4}

• {-1, 0, 4}

• {-4, 1}

Tags

CCSS.HSF-IF.C.7C

f(x) = x³ - 9x² - 45x - 27

Find the remaining zeros given that -3 is a zero of f(x).

• {-3, -6 ± 3√5}

• {-3, 6 ± 3√5}

• (-3, 3, 9}

• {-3, 0, 3}

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.APR.B.3

• A

• B

• C

• D

Tags

CCSS.HSA.APR.A.1

CCSS.HSA.APR.B.3

CCSS.HSA.REI.D.10

What is the remainder when x³-1 divided by (x+2)?

• 7

• -9

• -7

• 24

Tags

CCSS.HSA.APR.B.2

Two functions are shown below.

f(x)=2x³+2x-3

g(x)=-0.5|x-4|

What is the y-value when f(x)=g(x)?

• 4

• 1/2

• -1/2

• -7/4

Tags

CCSS.HSA.REI.C.7

A polynomial, p(x), has a lead coefficient of 1 and exactly three distinct zeros.

x=-1 is a zero of multiplicity of two

x=2 is a zero of multiplicity of one

x=4 is a zero of multiplicity of one

What choice shoes p(x)?

• p(x)=x³-5x²+2x+8

• p(x)=x³+5x²+2x-8

• p(x)=x⁴-4x³-3x²+10x+8

• p(x)=x⁴+4x³-3x²-10x+8

Tags

CCSS.HSA.APR.B.3

Which function does not have the set of all real numbers as its domain?

• f(x)=5^x-3

• $f\left(x\right)=\frac{x+1}{x+3}$

• f(x)=|2x-1|

• f(x)=cos(x)+1

• A

• B

• C

• D

Tags

CCSS.HSA.APR.D.6