Foundations of Math Functions Review

What is the domain and range of this function?

• D: {x| -3 ≤ x ≤ 4} R: {y| -3 ≤ y ≤ 5}

• D: { -3, -1, ... 4} R: { -3, 0, ...5}

• D: {-3, -1, 1, 1, 2, 3, 4}  R: {-3, 0, 1, 3, 3, 5}

• D: {-3, -1, 1, 2, 3, 4}  R: {-3, 0, 1, 3, 5}

What is the domain and range of this function?

• D: {-2, -1, 0, 1} R: {-3, 0, 3, 6}

• D: {x| -2 ≤ x ≤ 1} R: {y| -3 ≤ y ≤ 6}

• D: {-3, 0, 3, 6} R: {-2, -1, 0, 1}

• D: {x| -3 ≤ x ≤ 6} R: {x| -2 ≤ x ≤ 1}

What is the domain and range of this function?

• D:{x|-5 ≤ x} R: {y| y ≤ 8}

• D:{x|-5 < x} R: {y| y < 8}

• D:{x|-5 ≥ x} R: {y| y ≥ 8}

• D:{x|-5 > x} R: {y| y > 8}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain and range of this function?

• D:{x|-7 ≤ x ≤ 7} R: {y|-3 ≤ y ≤ 6}

• D:{x|-7 ≤ x ≤ 7} R: {y|-3 ≤ y ≤ -3}

• D:{x|-7 < x < 7} R: {y|-3 < y < 6}

• D:{x|-3 ≤ x ≤ 6} R: {y|-7 ≤ y ≤ 7}

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Is the relation a function? Why.

• 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 the x-value 11 has two y-values pair with it.

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

Tags

CCSS.8.F.A.1

Which of the following represents a function?

• None of the above

Tags

CCSS.8.F.A.1

Which of the following sets represents a function?

Tags

CCSS.8.F.A.1

The mapping ​ (a)   y as a function of x, because ​ (b)  

• does not represent

• does represent

• each x-value corresponds to more than one y-value

• each x-value corresponds to only one y-value

Which of the following is not a function?

Which of the following sets represents a relation but not a function?

Tags

CCSS.8.F.A.1