Exponential, Logarithmic, Rational Functions Test Question Preview (ID: 54350)


Exponential And Log Forms, Log Properties, Inverse Variation, Fractions. TEACHERS: click here for quick copy question ID numbers.

Which is not an exponential function?
a) y = 3^x
b) y = 4^x
c) y = x^3
d) y = (1/4)^x

Write in exponential form: log base 5 of 125 = 3
a) 5^3 = 125
b) 3^5 = 125
c) 5^125 = 3
d) 125^3 = 5

Write in exponential form: log base 4 of 16 = 2
a) 16^2 = 4
b) 4^2 = 16
c) 2^16 = 4
d) 4 ^ 16 = 2

log(xy) =
a) (logx)/(logy)
b) (logx)(logy)
c) logx - logy
d) logx + logy

log(x/y) =
a) (logx)/(logy)
b) (logx)(logy)
c) logx - logy
d) logx + logy

log x^3 =
a) log3x
b) 3logx
c) 3log3
d) xlog3

y varies inversely with x
a) y = k/x
b) y = kx
c) y = k + x
d) y = k - x

7/9 - 4/9
a) 9/3 = 3
b) 3/9 = 1/3
c) 9/1 = 9
d) 1/9

3/2 + 1/3
a) 4/5
b) 2/5
c) 11/6
d) 5/6

2/5 + 5/6
a) 13/36
b) 37/30
c) 7/11
d) 3/11

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