mjk369 mjk369
  • 13-07-2016
  • Mathematics
contestada

F(X)= 2x^2 +1. Find and simplify af(X)+b and f(ax+b)

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caylus
caylus caylus
  • 13-07-2016
Hello,

f(x)=2x²+1
f(ax+b)=2(ax+b)²+1=2(a²x²+2abx+b²)+1=2a²x²+4abx+2b²+1

af(x)+b=a(2x²+1)+b=2ax²+a+b

And f(ax+b)≠af(x)+b not linear
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