Question 394895
f(x)=x^2+5x+2
I'll do the toughest one and you should be abl to do the other two.
b) f(x+2)=(x+2)^2+5(x+2)+2 Just replace x with x+2.
=x^2+4x+4+5x+10+2
=x^2+9x+16
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Ed