Exponential Growth and Decay

When will the fruit fly population reach 250 flies?

• Between 17 and 18 days

• Between 18 and 19 days

• Between 19 and 20 days

• Between 20 and 21 days

The y-intercept in the exponential function is...

Identify the equation that best models the growth of Species X

Does the table show an exponential function pattern?

• Yes, there is a constant factor of 3

• Yes, there is a constant factor of 4

• No, it is linear there is a constant rate of change of 4

• No, there is no pattern

What is the growth factor of the situation represented by f(x)=10(0.3)^x?

• 10

• 0.3

• 1

• 3

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

Cal graphed the exponential function shown. What is the relationship? ​ (a)   What type of number is b? ​ (b)  

• decay

• growth

• irrational

• linear

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth

• Linear

• Exponential Decay

• None of the Abovee

The function shows the growth of a fruit fly population. f(t) is the number of fruit flies after t days.

What is the initial population of the fruit flies?