Read Exponential Functions

What does the y-intercept of the graph represent?

• The amount of grams the material is gaining.

• The amount of grams the material is losing.

• The amount of grams remaining after so many years.

• The initial amount of grams.

Tags

CCSS.HSF.LE.B.5

What is a, the initial amount, for the function: f(x) = 800(0.85)^x?

• 800

• 0.85

• 0.15

• 680

Tags

CCSS.HSF.LE.B.5

Which statement is the best interpretation of one of the values in this function?

• The initial balance of the account was $1,025.

• The balance in the account at the end of one year is $850.

Tags

CCSS.HSF.LE.B.5

In the equation y=2(5)^x , the a value (y-intercept) is...

• 356

• 5

• 10

• 2

Tags

CCSS.HSF.LE.B.5

What is the starting term for the function: f(x) = 800(0.85)^x? (starting means initial or when x=0)

• 800

• 0.85

• 0.15

• x

Tags

CCSS.HSF.LE.B.5

In the equation y = 205(0.25)⁴, what is the y - intercept (starting amount)?

• 0.25

• 4

• 0.75

• 205

Tags

CCSS.HSF.LE.B.5

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

• slope

• rate of change

• y-intercept

• common ratio

Tags

CCSS.HSF.LE.B.5

Fill in the blank: Geometric sequences are graphed as _____________ functions.

• Linear

• Exponential