Does this mapping diagram represent a function?

Yes, because there are no repeating input values

No, because there are repeating input values

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.

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

D: {1, -3, -4,} R: {0, 1, 2, -4}

D:{0, 1, 2, 3, 4} R:{1, -3, -4}

Is this a function? Explain.

Yes; it passes the vertical line test.

Yes; it passes the horizontal line test.

No; there is a line connecting the dots.

I throw a ball 10 feet in the air. If the domain is the number of seconds, what is a possible range for the function?

All real numbers between 0 and 10

Rational Numbers between 0 and 10

The total cost in dollars to buy uniforms for the players on a basketball team can be found using the function c=24.95u+5, where u is the number of uniforms bought. If there are at least 6 players but no more than 10 players on the basketball team, what is the DOMAIN of the function for this situation?

{154.70, 179.65, 204.60, 229.55, 254.40}

Regents Function Domain Range

Authored by Barbara White

Mathematics

8th Grade

CCSS covered

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31 questions

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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

5 mins • 1 pt

For the function f(x) = -3(x-1) find f(0).

-3

-1

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Given f(x) = x² - 7x, find f(8).

f(8) = 8

f(8) = -3584

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Given h(x) = -9x +5, find h(8).

h(8) = -360

h(8) = -67

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is x if
f(x) = -2?

Tags

CCSS.HSF.IF.A.2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is f(1)?

Tags

CCSS.HSF.IF.A.2

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