ahopk71 ahopk71

14-06-2018
Mathematics

contestada

f(x)=-x2-4 for x=-3 please help

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sqdancefan sqdancefan

22-06-2018

Put -3 where x is and do the arithmetic.
F(-3) = (-3)² - 4
= (-3)·(-3) - 4
= 9 - 4
= 5

F(-3) = 5

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