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How do you graph #y=-2sqrtx+2#, compare to the parent graph, and state the domain and range?

Answer 1

this graph is only for a real valued function , which means x cannot take negative values

plot{-2*sqrt(x) + 2 [-10, 10, -5, 5]}

since x has to be #>=# 0 , the Domain will be [0,#oo#) if you see output of the function the maximum value of y is 2. therefore range of the function is (-#oo#,2]

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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