Exponential and Logarithm

2log₆(x-8)=2

• 14

• 81/8

• 18

• 9969

• 5
• 13
• 84
• -20

• A
• B
• C
• D

To solve, 16^5x = 64^x+7, what would be the correct set-up?

• 4^4(5x)=4^16(x+7)

• 8^2(5x)=8^8(x+7)

• 4^2(5x)=4^3(x+7)

• 2^4(5x)=2^6(x+7)

Solve.

9(e^x) - 31 =23

• x = 1.79

• x = 4.21

• x = -3.5

• x = 1.27

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

• 8

• 4

• 2

• Cannot be determined

The common logarithm has what base?

• 10

• 0

• e

• -e

Simplify log₄4^3x

• 3x

• 3

• 4

• 4^3x

e^ln(f)

• f

• e

• e^f

• undefined

Find the domain and range of:
f(x) = log₂(x)

• D: all real numbers
  R: y > 0

• Domain: all real numbers
  Range: all real numbers

• Domain: x > 0
  Range: all real numbers

• Domain: all real numbers
  Range: y < 0