What is f[g(3)] for the following function? f(x) = 4x2 − 3 g(x) = 5x − 2
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50 = x^2
To isolate x you need to do the opposite of an exponent, which would be square root.
= x
That is the exact form, in other words your answer, if teacher is looking for a decimal, it would be
7.07 = x