Is the relation a function? Why.

No, because the x-value 11 has two y-values pair with it.

Yes, because the x-value 11 has two y-values pair with it.

Yes, because each x-value has only one y-value paired with it.

No, because each x-value has only one y-value paired with it.

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

After 4 weeks the plant is 5 inches tall

After 5 week the plant is 4 inches tall

The plant grows at a rate of 5/4 inch per week

The plant grows at a rate of 1 inch per week

The function c(m) = 1.45m + 3.50 represents the cost of a taxi for m miles. What does c(7) represent?

The minimum distance to ride a taxi

Derek works at Subway making $9.25 an hour. The function d(x)=9.25x tells us how much money Derek makes after x hours of working. What is the meaning of d(4)=37?

After 4 hours of work, Derek makes $37.

Derek needs $4 more to have $37 total.

After working for 4 days, Derek makes $37 total.

After 4 hours of work, Derek now makes $37 an hour instead of $9.25.

Functions, Notation, Evaluating, Operations - QUIZ

Authored by Leigh Harris

Mathematics

10th - 11th Grade

CCSS covered

Used 2+ times

Functions, Notation, Evaluating, Operations - QUIZ

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20 questions

Show all answers

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Evaluate f(-2) if f(x) = x+3

-1

-5

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

-2

-9

-10

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Evaluate f(-2) if f(x) = x²+ 3.

-1

-7

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given g(x) =
4x - 7, find g(-9).

g(-9) = 29

g(-9) = -43

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Given f(x) =
2x² + 5x - 17, find f(-1).

f(-1) = -20

f(-1) = -24

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

1 min • 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

Tags

CCSS.HSF-BF.A.1B

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

When f(x) = x²+9 and g(x) = x-9, find f(x)-g(x).

x²+x+9

x²-x+9

x²-x

x²-x+18

Tags

CCSS.HSF-BF.A.1B

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