Precalculus 3.1 Exponential Functions

What is a, the initial amount, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF.LE.B.5

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

• 8

• 4

• 2

• Cannot be determined

If you were solving for x using the same base method, what would be the best base to pick?
9^x+8 = 81

• 9

• 81

• 2

• no common base

Solve 3³ = 3^{4x + 2}

• x = ¼

• x = -¼

• x = ½

• x = -½

Solve: 2^x = 4^x+1

• -2

• 2

• -3

• 3

Solve for n:  25^n-4 = 5³ⁿ⁺¹

• n=7

• n=-9

• n=8

• n=1

Solve: 9^8-x = 27^x-3

• x = 5

• x = -5

• x = 1/5

• x = -1/5

Solve for x

• 5/3

• 2

• 3/5

• No solution

Solve for x

• 1

• 4

• 1/2

• no solution

• Exponential Growth

• Exponential Decay

• Linear

• None

Tags

CCSS.HSF-LE.A.1A