Laine A.
asked 10/09/19
if f(x)= 4x^2-2x+5 find F(2+y)
AJ V.
answered 10/10/19
Experienced High School Tutor Specializing in Algebra and Proofreading
f(x) = 4x2 -2x +5
f(2+y) = 4(2+y)2 -2(2+y) +5
= 4(2+y)(2+y) -4 -2y +5
= 4(4+4y+y2) -2y +1
= 16 +16y +4y2 -2y +1
f(2+y) = 4y2 +14y +17
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