Unit 3- Relations and Functions - Weebly

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Unit 3: Relations and Functions Homework 2: Real World Graphs

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Sketch the following graphs. 1. The number of customers at a restaurant

depends on the time of day. Graph time on the x-axis and the number of customers on the y-axis.

2. A pitcher pitches a ball to a hitter. The ball is hit towards center field, hits the center field fence, then drops to the ground. Graph time on the x-axis and the height of the ball on the y-axis.

? Gina Wilson (All Things Algebra?, LLC), 2012-2018

3. A plant grows quickly at first, remains at a constant height during a dry spell, then grows at a steady pace. Graph time on the x-axis and the height of the plant on the y-axis.

4. The value of a car depreciates quickly in the first two years, then depreciates at a steadier rate. Graph time on the x-axis and the value of the car on the y-axis.

? Gina Wilson (All Things Algebra?, LLC)

5. An oven is set for 425? F. A pizza is baked in the oven, then the oven is turned off. Graph time on the x-axis and the oven temperature on the y-axis.

6. Sarah went up an escalator, then took the stairs back down. Graph time on the x-axis, then distance traveled on the y-axis.

7. Jonah took a ride on a Ferris wheel. Which graph best represents his distance from the ground?

GRAPH A

GRAPH B

Distance from Ground

Distance from Ground

8. A plane pulls up to a gate and lets its passengers off. Which graph best represents the speed of the plane as it approaches the gate?

Time

GRAPH A

Time

GRAPH B

Speed

Speed

9. Frank flew from Japan to Australia. Which graph best represents his distance to the Equator during the flight?

Time

GRAPH A

Time

GRAPH B

Distance to the Equator

Distance to the Equator

10. Kiara walked up a hill at a steady pace, then ran down the hill. Which graph best represents her speed?

Time

GRAPH A

Time

GRAPH B

Speed

Speed

Time

Time

11. Describe a real-life situation that would create the graph to the right. Include labels on the x- and y-axis on the graph.

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