Precalculus Exponential Functions

What type of function is f(x)=2(1/7)^x ?

• Exponential Growth
• Linear
• Exponential Decay
• None of the Abovee

Tags

CCSS.HSF-IF.C.8B

What type of function is y = 7(5/4)^x?

• Exponential Growth
• Exponential Decay
• Linear
• None of the above

Tags

CCSS.HSF-IF.C.8B

To solve 8 = 2^5x+7, you would need to re-write 8 as what base?

• 8
• 4
• 2
• Cannot be determined

Solve 3³ = 3^{4x + 2}

• ¼
• -¼
• ½
• -½

Simplify Completely:

• x⁴ / y²
• y² / x⁴
• 1 / y⁴
• 1 / (x² y⁴)

Tags

CCSS.HSA.APR.A.1

Solve for x:

• 13/2
• 4
• -1
• 9/2

Simplify Completely:

• 1 / b¹⁶
• 1 / (16 a⁴ b ⁴⁾
• b¹⁶
• b¹⁶ / a⁴

Tags

CCSS.HSA.APR.A.1

Solve for x:

• 6
• 9/2
• 7/2
• 5

Tags

CCSS.HSF.LE.A.4

Sovle for x:

5^{-3x - 1} = 25

• x = -1

• x = -4

• x = -3

• x = 1

What is the y-intercept of the function?

• 2
• 3
• 1
• -2

Tags

CCSS.HSF-IF.C.7E