# Algebra 2B Logs/Exponentials: Question Preview (ID: 23742)

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Evaluate: log 100
a) 1
b) 10
c) 2
d) 3

Evaluate: e^4.5
a) 90.017
b) 4.5
c) e
d) 1.504

Describe the transformation: f(x) = log (x + 4)
a) up 4
b) down 4
c) right 4
d) left 4

Describe the transformation: f(x) = -2^x
a) Reflects over y-axis
b) Reflects over x-axis
c) down 1
d) left 1

describe the transformation: f(x) = logx - 5
a) down 5
b) up 5
c) left 5
d) right 5

Use change of base: log (base 3) 14
a) 1.146
b) 0.477
c) 2.402
d) 0.416

What is the base of log x?
a) 1
b) 10
c) e
d) 0

What is the base of ln x?
a) 0
b) 1
c) e
d) 10

Use properties to write as a single log: log 3 + log x
a) log 3x
b) log (3/x)
c) log 3 + x
d) log 3 - x

Use properties to write as a single log: log 20 - log 4
a) log 80
b) log 16
c) log 5
d) log 24

Solve: log 2x = log 18
a) x = 18
b) x = 2
c) x = log18
d) x = 9

Solve: 2^x = 2^ 15
a) x = 2
b) x = 7.5
c) x = 15
d) x = 13

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