Question

( HINT: The answer will be in terms of W)Find f(2W) when f(x) = x2 – 2x + 1

Answer 1

f(2W)

f(x) = x^2 - 2x + 1

Then first replace x by 2W

So then we obtain

f(x)= (2W)^2 - 2•(2W) + 1

f(x) = 4W^2 - 4W + 1