Test 5: Exponents & Exponential Functions A1H

Agnes purchases a ring for $200 and it depreciates 6% per year from the date of purchase. Which function models the value V(t) of the ring?

• V(t)=200(1.6)^t
• V(t)=1.06x+200
• V(t)=200(.06)^t
• V(t)=200(.94)^t

Tags

CCSS.HSF.LE.A.2

The equation  y = 75(1.2)^x describes the number of staff since 1998.
What 'x' would you use if you wanted to calculate the number of staff in 2005?

• x = 2005
• x = 7
• x = 5
• x = 1998

Tags

CCSS.HSF.LE.B.5

The equation y = 75(1.2)^x describes the number of staff since 1998.

What is an approximate number of staff in the year 2005?

• 269

• 187

• 92

• 82

Which equation shows 
"The cell population of 200 is growing by 20 percent each hour"?

• P(h) = 200 (.20)^h
• P(h) = 200 (20)^h
• P(h) = 200 (1.20)^h
• P(h) = 200 (.80)^h

Tags

CCSS.HSF.LE.A.2

Which equation shows 
"The cell population of 200 is reducing by 20 percent each hour"?

• P(h) = 200 (.20)^h
• P(h) = 200 (20)^h
• P(h) = 200 (1.20)^h
• P(h) = 200 (.80)^h

Tags

CCSS.HSF.LE.A.2

Simplify             (7x⁴)(9x³)

• 16x¹²
• 16 x⁷
• 63x⁴⁺³ = 63x⁷
• 63x^4*3 = 63x¹²  

Tags

CCSS.HSA.APR.A.1

How would you change this to a positive exponent:
1/x^-3

• 1/x³
• x³
• 3x
• 1/3x

Tags

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

What should you do with the exponents in order to simplify this expression?
(c⁵)(c³)(c³)

• Subtract them
• Multiply them
• Add them
• Divide them

Tags

CCSS.8.EE.A.1

Simplify

(2x^ay^b)(-3x²y⁷) = -6x³y¹²

Find a and b.

• a=3, b=12

• a=3/2, b=12/7

• a=0, b=4

• a=1, b=5

• a
• b
• c
• d

Tags

CCSS.HSN.RN.A.2