Logs and Exponential functions

Convert 3^x = 12 to the equivalent log form.

• 3¹² = x

• log_x 3 = 12

• log₃ x = 12

• log₃ 12 = x

Find the asymptote of the following function: f(x) = 2^x-4 -9

• y = -9

• y = 4

• x = -9

• x = 4

• y > 9

Solve the following equation for x (exact answer):

log₂(2x - 5) = 6

• 64

• 17/2

• 11/2

• 69/2

Describe domain of the function shown: y=log₂(x+1)

• (-∞,∞)

• (-1,∞)

• (-1,3)

• (∞, -1)

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

Rewrite log₂8 = 3 in exponential form

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

Tags

CCSS.HSF.BF.B.5

Evaluate log₈ 8

• 8
• -1
• 0
• 1

Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄

Evaluate:
log₄16

• 2
• 4
• 1/2
• -2

Solve for x:
4^x- 5 = 12

• 0.489
• 2.552
• 0.893
• 2.044