Exponential functionTest

Which function represents exponential growth?

• y = 2x + 1

• y = 5 - x

Which equation shows exponential decay?

Tags

CCSS.HSF-LE.A.1A

• A. A growth rate

• B. A decay rate

• C. The initial value

• D. A vertical stretch

Tags

CCSS.HSF-IF.C.8B

A savings account grows by 4% annually. If the initial deposit is $1500, which equation represents the balance after x years?

• y = 1500 + 0.04x

• y = 1500x

Tags

CCSS.HSF-BF.A.1A

A radioactive substance decays by 25% each hour. Starting with 160 grams, the model is:

• y = 160 - 0.25x

Tags

CCSS.HSF.LE.A.2

• Horizontal stretch by 4

• Vertical compression by 4

• Vertical stretch by 4

• Shift up 4

Tags

CCSS.HSF.BF.B.3

• Vertical stretch by 0.2

• Vertical compression by 0.2

• Horizontal stretch

• Shift down 0.2 units

• y = 0.5 · 5^x

Tags

CCSS.HSF.BF.B.3

• Shift left 3

• Shift right 3

• Shift up 3

• Shift down 3

Tags

CCSS.HSF.BF.B.3

Tags

CCSS.HSF.BF.B.3