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andrejr0330jr
20.12.2019 •
Mathematics
9. consider the function f(x) = x² + 3x – 4.
part a: what is the factored form of f(x)? show
your work.
a.f(x) = (x + 1)(x – 4)
b.f(x) = (x - 1)(x + 3)
c.f(x) = (x + 4)(x - 1)
d.f(x) = (x − 2)(x + 2)
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Ответ:
c. f(x) = (x + 4)(x - 1)
Step-by-step explanation:
Since you're familiar with the product of two binomials:
(x +a)(x +b) = x² + (a+b)x + ab
you know that the constants in the binomial factors must ...
have a product of -4have a sum of +3__
All of the choices except B have binomial constants that have a product of -4.
In order, the sums of the remaining choices are ...
A: 1-4 = -3
C: 4-1 = 3 . . . . this is the correct choice
D: -2+2 = 0
Ответ:
780 different ways
Step-by-step explanation: