UNIT 5 Practice (20% credit) for 80% and above

What is the equation that best represents the graph?

• y=2^y
• y=2^x
• y=2^-x
• y=x²

Tags

CCSS.HSF.LE.A.2

Using the parent function y=3^x what would the graph of y=3^x+1 look like?

• Horizontal Shift to the right 1 unit
• Horizontal shift to the left one unit
• Vertical shift one unit up
• Vertical shift one unit down

Tags

CCSS.HSF-IF.C.7E

Using y=3^x as the parent function, what will y=3^{-x look like?}

• Reflection on the x axis?
• Reflection on the line y=x
• Reflection on the y axis
• Reflection on y=0

Tags

CCSS.HSF.BF.B.3

Johnny Frugal deposits $15,000 at the local bank. The bank offers 8% annual interest. How much will have he have after 6 years assuming all interest is reinvested (compound interest comes into play!)?

• $22,200
• $20, 241.21
• $24, 231.21
• $24, 241.21

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSA.SSE.A.1

CCSS.HSF.BF.A.1

Classify
 f(x)=-3(1.75)^x-4+6

• Exponential Growth
• Exponential Decay

Tags

CCSS.HSF-IF.C.8B

What is the horizontal and vertical shift of the exponential function?

• right 1 and down 7

• right 1 and up 7

• left 1 and down 7

• left 1 and up 7

Tags

CCSS.HSF.BF.B.3

Is the following exponential function a growth or decay function?

• exponential growth

• exponential decay

Describe the transformations for the following function:
 f(x) = 3^x- 4 

• 4 units up
• 4 units to the left
• 4 units to the right
• 4 units down

What is the transformation of the following function:
f(x) = 2(1/2)^{x + 1} - 2

• up 1, down 2
• left 1, down 2
• left 1, up 2
• right 1, down 2

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

• 800
• 0.85
• 0.15
• x

Tags

CCSS.HSF.LE.B.5