What is the value of y?

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1 Answer
Nam D.
Jan 25, 2018

See below for the answers.

Explanation:

#a)#

#logy=2#

Know that #logx=log_10x#

#:.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#

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