Unit 4 : Exponential Function & Equation

• 300
• 1.53

• x

A population of bees has an initial population of 10 bees and increases 15% every day. Which number represents the starting population (a)?

• a = 100

• a = 0.15

• a = 10

• a = 0.015

A population of bees has an initial population of 10 bees and increases 15% every day. Which equations best represents the situation?

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

Pick the equation that is exponential GROWTH factor.

• y=2(0.5)^x
• y = 0.5(2)^x

In an exponential function, what does the 'a' represent? 

• SLOPE
• RATE OF CHANGE
• Y-INTERCEPT / Initial Value

• COMMON RATIO

Identify the y-intercept (initial value) in the function f(x)=13(.27)^x

• (.27)^x
• .27
• 13
• 3.51

• (0, 18)

• (0, 3)

• (18, 0)

• (3, 0)

Find the common ratio: 4, -16, 64, -256, ...

• r = -4
• r = 2
• r = -2
• r = 4

What is the pattern for the table?

• +8

• x4

• x3

•  $\div3$