Algebra 2 Exponential Functions

Which of the following functions shows an initial amount of $15 and an increase of 35% each year?

• y = 15(35)^x

• y = 15(1.35)^x

• y = 15(0.35)^x

• y = 35(1.15)^x

Tags

CCSS.HSF.LE.A.2

Classify the model as Exponential GROWTH or DECAY.
A=10(1.01)³

• Growth

• Decay

Tags

CCSS.HSF-IF.C.8B

What is the decay rate in the following model?
A=1200(.85)⁶

• -1200

• -.15

• 6

• -6

Tags

CCSS.HSF-IF.C.8B

James' 70 in. giant peach doubles in size every week. Write an expression that would represent how big the peach is after 5 weeks.

• 70(2)³⁵

• 70(2)⁵

• 2(70)⁵

• 5(70)²

Tags

CCSS.HSF.BF.A.2

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

Tags

CCSS.HSF.BF.A.2

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81

• log₈₁3 = 4

• log₃81 = 4

• log₄81 = 3

Tags

CCSS.HSF.BF.B.5

log₅25 = ?

• 2

• 5

• 125

• A straight line passing through the origin

• A curve that approaches the x-axis as x decreases and increases without bound as x increases

• A parabola opening upwards

Tags

CCSS.HSF-IF.C.7E

Which of the following represents exponential decay?

Tags

CCSS.HSF-IF.C.8B

Tags

CCSS.HSF.LE.A.2