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mixer [17]
3 years ago
8

Simplify the polynomial, then evaluate for x=-3 -x^2+2x-2x^2-3x+4+x^2

Mathematics
1 answer:
tiny-mole [99]3 years ago
8 0

Step-by-step explanation:

Let's simplify step-by-step.

−x2+2x−2x2−3x+4+x2

=−x2+2x+−2x2+−3x+4+x2

Combine Like Terms:

=−x2+2x+−2x2+−3x+4+x2

=(−x2+−2x2+x2)+(2x+−3x)+(4)

=−2x2+−x+4

Answer:

=−2x2−x+4

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3 years ago
f(x)=(2x−1)(3x+5)(x+1) has zeros at x= -5/3, x= -1 and x= 1/2 What is the sign of f on the interval -5/3
Crazy boy [7]

The sign of f on the interval -5/3 is negative

<h3>How to determine the sign?</h3>

The function is given as:

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The zeros of the function are

x= -5/3, x= -1 and x= 1/2

Next, we plot the graph of the function

At x = -5/3, the function approaches negative infinity

This means that the sign of f on the interval -5/3 is negative

Read more about function intervals at:

brainly.com/question/27831985

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2 years ago
The diameter of a circle is 18 centimeters. What is the area? Give the exact answer in simplest form
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254.47

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3 years ago
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ikadub [295]

Answer:

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