Exponential and logarithm

What equation matches the graph?

• f(x) = 3^x
• f(x) = (⅓)^x
• f(x) = log₃(x)

What equation matches the graph?

• f(x) = 3^x
• f(x) = (⅓)^x
• f(x) = log₃(x)

Evaluate:
log₄16

• 2
• 4
• 1/2
• -2

ln e⁵= 

• e⁵
• ln 5
• 5
• 5e

Rewrite log_pt = m in exponential form.

• p^t = m
• t^m = p
• m^t = p
• p^m = t

Rewrite 3⁴ = 81 in logarithmic form.

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

• A
• B
• C
• D

log (x) + log (x) = log (25)

• -5, 5
• 5
• -5
• 25

Solve:
lnx = 7.25

• 1408.10
• 1330.42
• 1264.55
• 1182.32

Solve:  2^3x = 15

• 2.3
• -2.3
• 1.3
• -1.3