Math

If f(x)= 5x^2-4/x, findf(4)
5(4)^2-4/4
5(16)-4/4
80-4/4
76/4
19(answer)

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  1. If you mean f(x) = (5x^2 -4)/x, and not 5x^2 - (4/x), then you are correct. Proper use of parentheses in ambiguous equations is very important.

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