Interpret Graph Given a Situation

A strong cold front blew through during the night.  The temperature outside began to drop rapidly.  The graph shows the temperature at each hour after the cold front blew through.  What is the rate of change of the graph?

• 2.5°F per hour

• 0.2°F per hour

• -0.2°F per hour

• -2.5°F per hour

Several years ago, Conner bought an antique clock.  Since then, it has increased in value.  If x represents the number of years he has owned the clock, and y represents the value of the clock (in dollars), which of the following situations in represented by the graph?

• Dave bought the clock for $300 and each year the value increased by $125.  

• Dave bought the clock for $300 and each year the value increased by $50.  

• Dave bought the clock for $300 and each year the value increased by $200.

• Dave bought the clock for $300 and each year the value increased by $100.

What is a possible scenario for the given table?

• You have $8 and get $5 more each day!

• You have $16 and get $2 more each day!

• You have $2 and get $6 more each day!

• You have $6 and get $2 more each day!

What is the y-intercept for the scatter plot shown?

• (0,0)

• (10,100)

• (60,500)

• (100,0)

Match the following

This graph shows the population of mice in a study, modeled as a function of time.  The study begins on day 0 and ends on day 200.  Select True or False for each statement.

• True

• There are two intervals of time where the mouse population decreases.

• False

• The least number of mice during the study was 130.

• True

• The mouse population was decreased between day 40 and day 80.

• True

• The mouse population was the greatest around day 160.

Match the following This graph shows the population of mice in a study, modeled as a function of time. The study begins on day 0 and ends on day 200. Select True or False for each statement.

• False

• There are two intervals of time where the mouse population decreases.

• True

• The mouse population was decreased between day 40 and day 80.

• True

• The least number of mice during the study was 130.

• True

• The mouse population was the greatest around day 160.

A bird flies out of its nest.  This graph represents the distance it flies from its nest (in meters) as a function of time (in seconds).

Place a X to mark the point on the graph that represents the bird’s greatest distance from its nest.

Place a O to mark the point that represents the bird’s return to its nest.

a

b

X

O

A bird flies out of its nest.  This graph represents the distance it flies from its nest (in meters) as a function of time (in seconds).

Place a X to mark the point on the graph that represents the bird’s greatest distance from its nest.

Place a O to mark the point that represents the bird’s return to its nest.

a

b

O

X

Which story could match the grpah shown at the right?

• Starting from home, Kyle jogs increasing his speed until he gets a cramp. He then slows his pace, begins walking, and returns home.

• Starting from home, Kyle rides his motorcycle to the lake, and stops for a swim before returning home.

• Starting from home, Kyle rides his motorcycle to the lake, then turns around and returns home, stopping for gas on the return trip.

• Starting from home, Kyle rides his bike up a steep hill, then rides down a hill. He crosses a bridge before he returns home.

Identify the following two points on the graph. The bird's greatest distance from its nest. The point that represents the bird's return to its nest.

a

b

(1)

(2)