Complete the following questions to practice the skills you have learned in this lesson.
1. Function gives the temperature, in degrees Celsius, hours after midnight.
Choose which equation or expression represents the statement in function notation.
- The temperature was the same at 9 a.m. and at 4 p.m.
- It was warmer at 9 a.m. than at 6 a.m.
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- Some time after midnight, the temperature was 24 degrees Celsius.
- Select the two points that are on the graph of if we know that and .
- (-4, 2)
- (2, -4)
- (3.4, 5)
- (5, 3.4)
- (2, 5)
- Looking at the graph of the function , below, which is greater, or ?
- The function tells how many people are living on floor of an apartment building. What does mean?
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There are 4 people living on floor 82.
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There are 82 people living on floor 4.
- The function, , gives the temperature of a house, in degrees Fahrenheit, hours after midnight. Choose which function notation represents the temperature at 6 a.m. was 70 degrees.
- The graph below represents a function, , which gives the height of a drone, in meters, seconds after it leaves the ground. Which statement describes the point ?
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The height of the drone after 4 seconds is 2 meters off the ground.
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The height of the drone after 2 seconds is 4 meters off the ground.