For the given quadratic equation we only have a maximum at y = 18.
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How to find the extrema of the given function?</h3>
Here we have:

Notice that this is a quadratic equation of negative leading coefficient.
Then we have a maximum at the vertex, and both arms tend to negative infinity as x tends to infinity or negative infinity.
The vertex is at:
x = -(-4)/(2*(-2)) = -1
The maximum is:

If you want to learn more about quadratic equations:
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<span><u>8x + 9 = 5x + 18</u>
Subtract 9 from each side:
8x = 5x + 9
Subtract 5x from each side:
3x = 9
Divide each side by 3 :
<u>x = 3</u>
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Answer:
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Step-by-step explanation:
Answer:
C
Step-by-step explanation:
The number of muliple and short answer equal twenty. No question about the worth.
Answer:
Step-by-step explanation:
A = (2·x^3 - 5·x^2 + 8)·(x + 3) = 2·x^4 + x^3 - 15·x^2 + 8·x + 24
The polynomial has ... 5 coefficients ?
The constant of the polynomial is ... 24
The polynomial has a degree of ... 4
The leading coefficient of the polynomial is ... 2