Function Equations and Real World Graphs

j(x) = 2x + 3
j(-1) = ______

• 1

• -1

• 5

• -5

• -67

• 67

• 77

• -77

What is f(-2) - g(-1)

• -7

• -8

• -15

• 15

When is the graph increasing?

• 4am - 4pm

• 4am - 12pm

• 12pm - 4pm

• 4pm - 8pm

When is the graph decreasing?

• 4pm - 8pm

• 4pm - 8am

• 12pm - 4pm

• 8am - 12pm

When is the graph decreasing?

• 40 - 60

• 0-10

• 10-40

What height is the plane at for most of the flight?

• 12,000

• 0

• 4000

• 8000

How many minutes did Justin travel at 6 mph?

• 20

• 10

• 30

• 0

When is the graph increasing?

• 0-10

• 10-40

• 40-60

What was Justin's max speed?

• 12 mph

• 70 mph

• 10 mph

• 15 mph