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ultimatesaiyan
11.10.2020 •
Mathematics
Please help with thisss
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Answers on questions: Mathematics
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Ответ:
B
Step-by-step explanation:
Let's take a look through each of the potential options and see whether they meet our requirements:
A. g(7) = -1
We're told at the beginning of the problem that our domain is restricted to the range [-20, 5]. Our input here, x = 7, is out of that range, which means it's not in the domain and can't be true for the function g.
B. g(-13) = 20
Unlike 7, -13 is in the domain of g since it's between -20 and 5. 20 is also in g's range, since it's between -5 and 45. B could be true for g. We have our answer at this point, but I'll point out why the other two are false, too.
C. g(0) = 2
We know from the question that g(0) = -2, so this is clearly false.
D. g(-4) = -11
-11 is less that -5, which means it lies outside the range of g.