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pogonyaev
3 years ago
10

PLEASE HELP ASAP PLEASE

Mathematics
2 answers:
DedPeter [7]3 years ago
7 0
The answer is D. hope i helped
Bond [772]3 years ago
3 0

Answer:

Yo

So, if ya wanna solve this question and of course questions alike, ya gotta pay attention to the graph. mean All of these parabolic chart have the domain of R

Step-by-step explanation:

So there ya go

D=R

and now bout the range ya gotta find the vertex, which is:

x = \frac{ - b}{2a}   \:  \:  y =  \frac{Δ}{4a}

now pay attention

X=2/–2=–1

y=–(–1)²–2(–1)+3=4

Now the highest point of your parabolic chart is 4 and the lowest point is endless which is (–♾,4]

Well, finally your answer is D

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