Asked by Jessica Maths

Evaluate the function f(x) = log3 x at x =1/27 without using a calculator

a. –4
b. –2
c. 1/27
d. –3
e. 27

Answers

Answered by Reiny
so you want:
y = log<sub>3</sub> (127)
or
3^y = 1/27 , by definition of logs
3^y = 3^-3

y = -3

f(1/27) = -3
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