Math. 69.104A Sample Test

Math. 69.104A

DAILY QUIZ 3 & 4 for the week of Sept. 16, 1996

Dr. Angelo Mingarelli
Department of Mathematics and Statistics
Carleton University
Ottawa, Ontario, Canada, K1S 5B6

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1. Solve the equation 4^(5x+2) = 16^3. REMEMBER THE EXAMPLE IN CLASS!

X=5/4

X=4/5

X=-1

2.Solve the equation log (2x-3) = 1. Here log means log with base 10.

x=13/2

x=2

x=-2

3.Solve the equation log {(x-7)/(3x-5)}= log 3. (As before, log means log with base 10)

x=-1

x=0

x=1

4. Let f(x) = 10^x + log (1000). Find the form of the inverse function, F(x) in this case.

F(x) = log (x - 3)

F(x) = log(x) - log(3)

F(x) = log(x)

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