Question

if p(y)=y square _2y+5 find p(2)

Answer 1

solution :-

p(y)=y^2-2y+5

then find the value of p(2) substitute y=2,

p(2)=2^2-2×2+5

p(2)=4-4+5

p(2)=0+5

p(2)=5
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