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Social Sciencef(x+1) = 7x^2 + 3x - 1
Expert Answer
We have
f(x+1) = 7x2 + 3x -1
Now substitute x+1 = z so x = z-1 in above equation, we get
f(z) = 7(z-1)2 +3(z-1) - 1
f(z) = 7(z2 + 1 -2z) +3z -3 -1
f(z) = 7z2 +7 -14z +3z - 3 - 1
f(z) = 7z2 -11z +3
Now again substitute z = x in above equation, we...
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