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Answer 1 · 2017-09-26T10:01:46

Yes it is a linear function

#y = 5# is a linear function because it fits within the general equation of a linear function, that equation is:

#y=mx + c#

Where #m# is the gradient and #c# is a constant

In #y = 5#, the gradient is #0# and the constant is #5#

#m = 0#
#c = 5#

#y=0x + 5#

Which is essentially

#y=5#