17-05-2023
Mathematics

Answered

a quadratic function is defined by f(x) = x2 - 8x - 4.
Which expression also defines f and best reveals the max and mini of the function?
a) (x-4)2 - 20
B) (x-4)2 + 12
c) x(x-8) -4
d) (x-4)2 + 20

Answer :

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