Evaluate f(3) x(5x-9)

Mathematics

1 answer:

bezimeni [28]4 years ago

7 0

<h3>Answer:</h3>

<h3>Step-by-step explanation:</h3>

Put 3 where x is, then do the arithmetic.

... f(x) = x(5x -9)

... f(3) = 3(5·3 -9) = 3(15 -9) = 3·6

... f(3) = 18

_____

Your calculator can do this, too.

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