3 years ago

Which of the following is the maximum value of the function y=-2x^2+5

2 answers:

5 0

Remember that x² has minimum value 0. Multiple x² by -1 would flip it across x-axis so -x² would have maximum value 0.

Now multiplying -x² by 2 stretch it vertically, however 2 times 0 is still 0 so maximum value is still 0.

Now we add it by 5 which makes it shifts 5 units up, so this affects maximum value.

So everything will be shifted 5 units up, so new maximum would be 5.

Final answer: 5

Hope this helps.

weeeeeb [17]3 years ago

3 0

Answer:5

Step-by-step explanation:

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