nicolasjarrin
03.04.2020 •
Mathematics
A student at a university wants to determine if the proportion of students that use iPhones is less than 0.49. If the student conducts a hypothesis test, what will the null and alternative hypotheses be?
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Ответ:
-2
Step-by-step explanation:
f(x) + g(x) = x^2 - 2x +6x +4 = x^2 + 4x + 4
(f+g)(x)=0
x^2 + 4x + 4 = 0
x= -2