Algebra 1: Step Functions, Set Notation & Composing Functions Quiz

Authored by Jamie Watts

Mathematics

10th - 12th Grade

Used 28+ times

Algebra 1: Step Functions, Set Notation & Composing Functions

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15 questions

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MULTIPLE CHOICE QUESTION

3 mins • 5 pts

If $f\left(x\right)=2x$ and $g\left(x\right)=2x^2-1$ find $f\left(g\left(3\right)\right)$

142

MULTIPLE CHOICE QUESTION

3 mins • 5 pts

If $f\left(x\right)=2x+3$ and $g\left(x\right)=-3x-4$ , find $f\left(g\left(x\right)\right)$

$-6x^2-17x-12$

$6x^2+x-12$

$-6x-5$

$5x+7$

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

When f(x) = 9-3x and g(x) = 5x-7 , find f(x)+g(x).

14x-10

-8x+2

2x+2

2x-2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

From the table below calculate the quantities asked for:
Find $\left(f\cdot g\right)\left(1\right)$

-6

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the DOMAIN?

(-∞, ∞)

(-2, ∞)

[-2, ∞)

(-∞, 0) U (0, ∞)

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the domain of the graph?

[-7,5)

(-7,5]

[-3,1)

(-3,1]

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the range?

(-4,5]

[-4,5)

(-3,3)

[-3,3]

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Algebra 1: Step Functions, Set Notation & Composing Functions

If $f\left(x\right)=2x$ and $g\left(x\right)=2x^2-1$ find $f\left(g\left(3\right)\right)$

If $f\left(x\right)=2x+3$ and $g\left(x\right)=-3x-4$ , find $f\left(g\left(x\right)\right)$

When f(x) = 9-3x and g(x) = 5x-7 , find f(x)+g(x).