wiltonbahe93 wiltonbahe93

03-05-2020
Mathematics

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Which of the following functions is quadratic?
O A. f(x) = 7x(x+3)
OB fx) = 5/x-1
O c. f(x) = 2^2
O D. f(x)=3(4 – x)

Which of the following functions is quadratic O A fx 7xx3 OB fx 5x1 O c fx 22 O D fx34 x class=

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ElephantHouse ElephantHouse

03-05-2020

Answer:

A

Step-by-step explanation:

Quadratic functions include a squared x value, and by simplifying the equation to f(x)= 7x^2 + 21x, it is shown to be the only answer with a squared x.

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