Exponential Functions part 2

Identify the common ratio (multiplier) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Tags

CCSS.HSF-LE.A.1A

Identify the y-intercept (initial value) of the function f(x)=2(4)^x.

• 2
• 4
• (2)^x
• 8

Tags

CCSS.HSF-IF.C.7E

If a table's pattern is that the f(x) values are being divided by 3, what is the common ratio?

• 3
• -3
• 1/3
• -1/3

Tags

CCSS.HSF.BF.A.2

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

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Tags

CCSS.HSF-IF.C.8B

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

Tags

CCSS.HSF-IF.C.8B

James has a 70 inch giant peach. It doubles in size every week. Write an expression that would represent how big the peach is after x weeks.

• y=70(-2)^x

• y=70(2)^x

• y=2(70)^x

• y=5(70)^x

Tags

CCSS.HSF.LE.A.2

In the exponential equation, $y=a\left(b\right)^x$ , what does $a$ represent? (Choose the best answer)

• initial value

• common ratio

• variable

• number

Tags

CCSS.HSF.LE.B.5

In the exponential equation,  $y=a\left(b\right)^x$  , what does  $b$  represent? (Choose the best answer)

• initial value

• common ratio

• variable

• number

Tags

CCSS.HSF.LE.B.5

A population of bees starts out with 10 bees and tripples every day.

•  $y=10\left(3\right)^x$ 

•  $y=10\left(3\right)^{\frac{x}{3}}$ 

•  $y=3\left(10\right)^x$ 

•  $y=10\left(\frac{1}{3}\right)^x$ 

Tags

CCSS.HSF.LE.A.2

A NCAA tournament starts out with 64 teams. Every round half the teams are eliminated.

• $y=64\left(2\right)^x$

• $y=64\left(\frac{1}{2}\right)^2$

• $y=64\left(\frac{1}{2}\right)^x$

• $y=64\left(2\right)^{\frac{x}{2}}$

Tags

CCSS.HSF.LE.A.2