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Andrej [43]
3 years ago
13

Graph y = −x^2 − 1. Identify the vertex of the graph. Tell whether it is a minimum or maximum.

Mathematics
1 answer:
bonufazy [111]3 years ago
5 0

Answer:

Step-by-step explanation:

since this is an upside down parabola shifted down 1 unit, the vertex must be at the point (0,-1).  It must be a <em>MAX</em> because the parabola is upside down

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Answer: Choice B

{(0,0), (1,2), (2,4), (3,4)}

===============================================

Explanation:

A function is only possible if each x input leads to exactly one y output. For choice A, we have x = 1 lead to y = 3 and y = 5 at the same time, which is what the points (1,3) and (1,5) are saying. Therefore, choice A is not a function.

Choice C is also ruled out because x = 2 repeats itself as well. In this case, (2,3) and (2,4) means that the input x = 2 leads to the two outputs y = 3 and y = 4.

Choice D can be eliminated also for two reasons: x = 0 shows up twice, so does x = 2.

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