Precalculus Unit 5 Review

Which expression equals the exponential function?

• 
• 
• 

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Multiplying by a fraction less than 1 inside a function creates a horizontal stretch.

• True

• False

Tags

CCSS.HSF.BF.B.3

Subtracting a number inside the functions slides it to the right.

• True

• False

Tags

CCSS.HSF.BF.B.3

CCSS.HSF.IF.C.7

You can cancel out the base (e) function be taking the (ln) of each term.

• True

• False

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Evaluate

• 25

• -2

Tags

CCSS.HSA.SSE.A.1

CCSS.HSA.SSE.B.3

Evaluate

• -3/2

• 3/2

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Describe the transformations on the parent function.

• reflected over the x-axis, stretched vertically by 2, slid 5 to the left

• reflected over the y-axis, stretched vertically by 2, slid 5 to the left

• reflected over the x-axis, stretched vertically by 2, slid 5 to the right.

Tags

CCSS.HSF.BF.B.3

CCSS.HSG.CO.A.2

CCSS.HSG.CO.A.4

CCSS.HSG.CO.A.5

Rewrite the expression:

• 
• 
• 

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

Evaluate with a calculator

• 10.513966

• 0.095112

Tags

CCSS.HSF.IF.A.2

CCSS.HSF.LE.A.4

When solving an exponential function with different bases:

• you take the ln or log of each term, follow logarithmic rules, then rearrange to get x by itself

• you can only take the ln of each term

• you can only take the log of each term

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4