Lesson 9-2 Exponential Growth & Decay

Lesson 9-2 Exponential Growth & Decay

Algebra I

Multiple Choice

Identify the y-intercept.

• (0, 1500)

• (0, 250)

• (0, 500)

• (0, 1000)

Multiple Choice

Identify the asymptote.

• x- axis

• y-axis

Multiple Choice

What is the meaning of the y-intercept?

• There are 500 bacteria when you begin observing.

• The time is 500 minutes from when you begin observing.

• There are 500 birds when you begin observing.

• There are 500 cats when you begin observing.

Multiple Choice

How much will be spent at restaurants in 2015?

• About $632 billion.

• About $770 billion.

• About $550 billion.

• About $708 billion.

Multiple Choice

What will the account balance be after 18 years?

• $7,990.38

• $4,475.53

• $4,768.22

• $5,760.42

Multiple Choice

Write an exponential function to describe the situation.

• $$y=12\cdot0.008^x$$

• $$y=12\cdot0.3^x$$

• $$y=10\cdot0.5^x$$

• $$y=7\cdot0.03^x$$

Multiple Choice

Identify the y-intercept.

• (0,2)

• (0,3)

• (0.4)

• (0,5)

Multiple Choice

Identify the asymptote.

• y-axis

• x-axis

Multiple Choice

What is the approximate pressure at an altitude of 3000 m?

• 75 kilopascals

• 80 kilopascals

• 50 kilopascals

• 70 kilopascals