Domain and Range Discrete Continuous Interval

What is the DOMAIN of this graph?

• -4 ≤ x ≤ 3

• -1 ≤ x ≤ 4

• 4 < x < -3

What is the Range?

• 2 ≤ y ≤ -7

• -3 ≤ y ≤ 2

• -7 ≤ y ≤ 2

What is the domain?

• all real numbers

• <x<6

• {1,3,4,6}

• {-2,2,5}

What is the domain of a relation?

• the set of all x-values

• the set of all y-values

Which is the set of all yy-values or the outputs?

• Domain

• Range

• Relation

• Function

What interval shows decreasing?

• 2 < x < 4

• 7 < x < 8

• 4 < x < 7

• 0 < x < 4

What is/are the increasing interval(s) for the function shown?

What is the DECREASING interval?

• 0 < t < 60

• 40 < t < 60

• 15 < t < 40

• -40 < t < 0

Madelyn is making a graph to illustrate the number of teddy bears which can be purchased for $15 each.  Which of the following represent(s) the domain of the scenario?

• {x| x ≥ 0} because the situation is continuous

• {0, 1, 2, 3, …} because the situation is discrete

•   {x| x ≥ 0} because the situation is discrete

• {0, 1, 2, 3, …} because the situation is continuous

Which of the following statements is NOT true?

• The domain is -5 < x < 2

• The range is -3<y<3

• The function is increasing on the interval -3<x<3

• The function is decreasing on the interval -5<x<2