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Exponential, Logarithmic, Rational Functions Test
Test Description: Exponential and log forms, log properties, inverse variation, fractions
Instructions: Answer all questions to get your test result.
1) Which is not an exponential function?
A
y = (1/4)^x
B
y = 3^x
C
y = 4^x
D
y = x^3
2) Write in exponential form: log base 5 of 125 = 3
A
3^5 = 125
B
5^3 = 125
C
5^125 = 3
D
125^3 = 5
3) Write in exponential form: log base 4 of 16 = 2
A
16^2 = 4
B
2^16 = 4
C
4^2 = 16
D
4 ^ 16 = 2
4) log(xy) =
A
(logx)/(logy)
B
(logx)(logy)
C
logx + logy
D
logx - logy
5) log(x/y) =
A
(logx)(logy)
B
logx - logy
C
(logx)/(logy)
D
logx + logy
6) log x^3 =
A
3log3
B
3logx
C
xlog3
D
log3x
7) y varies inversely with x
A
y = k/x
B
y = k + x
C
y = k - x
D
y = kx
8) 7/9 - 4/9
A
1/9
B
9/1 = 9
C
3/9 = 1/3
D
9/3 = 3
9) 3/2 + 1/3
A
11/6
B
5/6
C
2/5
D
4/5
10) 2/5 + 5/6
A
37/30
B
7/11
C
3/11
D
13/36
*select an answer for all questions
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