What is the value of y?

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1 Answer
Jan 25, 2018

See below for the answers.

Explanation:

a)a)

logy=2logy=2

Know that logx=log_10xlogx=log10x

:.log_10y=2

y=10^2=100

c)
logy=2x+3.5, x=1.25

Plug in, x=1.25 into the equation.

logy=2.5+3.5

logy=6

log_10y=6

y=10^6=1000000