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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 = x^3
B
y = 3^x
C
y = (1/4)^x
D
y = 4^x
2) Write in exponential form: log base 5 of 125 = 3
A
125^3 = 5
B
5^3 = 125
C
3^5 = 125
D
5^125 = 3
3) Write in exponential form: log base 4 of 16 = 2
A
2^16 = 4
B
4 ^ 16 = 2
C
16^2 = 4
D
4^2 = 16
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
log3x
C
xlog3
D
3logx
7) y varies inversely with x
A
y = k + x
B
y = k/x
C
y = kx
D
y = k - x
8) 7/9 - 4/9
A
9/3 = 3
B
9/1 = 9
C
3/9 = 1/3
D
1/9
9) 3/2 + 1/3
A
2/5
B
11/6
C
4/5
D
5/6
10) 2/5 + 5/6
A
13/36
B
37/30
C
3/11
D
7/11
*select an answer for all questions
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