How do you find #f(0)# given #f(n)=n^2-4#?

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Answer 1 · 2018-03-29T01:49:02

#-4#

Given: #f(n)=n^2-4#

When #f(0)#, we simply plug in #n=0# into the function, and we get,

#f(0)=0^2-4#

#=0-4#

#=-4#

Answer 2 · 2018-03-29T01:51:36

#-4#

Substitute #0# for #n# in the expression #n^2-4#

#f(0)=(0)^2-4=0-4=-4#