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Compound Functions

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by Matt@VeritasPrep » Thu Nov 26, 2015 11:15 pm
You can't, because you don't know that d² + 6d + 9 = 0. You could, however, say that

g(d² + 6d + 9)

= 3(d² + 6d + 9) + √(d² + 6d + 9)

= 3d² + 18d + 27 + √(d² + 6d + 9)

But we'd need more info from here.
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