1/ Let f (x) = −3(x + 1)2 + 12. (a). Does f (x) attain a maximum? A minimum? If so, where? Justify. (b). What are the zeros of f (x). Show your work. (c). It is known that any quadratic polymomial with two distinct zeros r1, r2, can be written in factored form as a(x − r1)(x − r2). Write f (x) in factored form.   please help me with them all

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