F(x) = x2 - 4x – 21 Which of the following is an equivalent form of the function f above in which the zeros off
appears as constants or coefficients?
А
f(0) = (x - 2)2 – 25
aas
B
f(2) = x(x – 4) – 21
С
f(x) = (2 + 1)(x - 5) – 16
D
f(x) = (x+3)(2 – 7)
E
I would be guessing.

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step-by-step explanation:

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the domain of a function is the set of input values, x , for which a function is defined. the domain is shown in the left oval in the picture below. the function provides an output value, f(x) , for each member of the domain.