Bescobar017
08.06.2020 •
Mathematics
Please answer correctly
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Ответ:
-1 not in domain
0 in the domain
2 in the domain
Step-by-step explanation:
g(x) = sqrt(8x)
g(-1) = sqrt(-8) the answer is not real so not in the domain of real number
g(0) = sqrt(0) = 0 in the domain
g(2) = sqrt(8*2) = 16 = 4 in the domain
Ответ:
we should be able to draw a verteical (up to down) line and never hit any 2 points with the same line (line has to be paralell to y axis)
we have 3 pairs of points that are above each other (at x=-3 and x=1 and x=2)
we need to remove 3 points