isischi
isischi isischi
  • 25-10-2020
  • Mathematics
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What is the range of this quadratic function?

What is the range of this quadratic function class=

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tqiu
tqiu tqiu
  • 25-10-2020

Answer:

(negative infinity, 4]

Step-by-step explanation:

Reminder: the range is all the possible y values the function can get by plugging in x values.

Since this is a downward opening parabola, it won't have a lower boundary, which means that the answer must be (negative infinity, 4]

We can further check that's correct by seeing that the parabola has its vertex at 4, which is written in the answer.

That means the correct answer must be (negative infinity, 4]

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