If f(x)=4x^2 - 3, what is f(x^2)?
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To determine the expression of f(x^2), we'll simply replace x by x^2 in the expression of the function:
f(x^2) = 4*(x^2)^2 - 3
f(x^2) = 4x^4 - 3
The found expression of f(x^2) is f(x^2) = 4x^4 - 3
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