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3 years ago

Find the value of x. A. X = 90 B. X = 32 C. X = 30 D. X = 15

Mathematics

2 answers:

fenix001 [56]3 years ago

8 0

Correct answer is D x=15

Verizon [17]3 years ago

5 0

A or d…………………………… ……

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4 years ago

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A car dealership has 55 cars and 11 vans. what is the ratio of cars to vans

mylen [45]

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3 years ago

Which of the following describes the roots of the polynomial function fx) = (x+ 2)2(x-4)(x+1)3?

kolezko [41]

The roots are:

$\bullet \ x=-2 \ with \ multiplicity \ of \ 2 \\ \\ \bullet \ x=4 \\ \\ \bullet \ x=-1 \ with \ multiplicity \ of \ 3$

<h2>Explanation:</h2>

We have the following polynomial function:

$f(x) = (x+2)^2(x-4)(x+1)^3$

The roots of any polynomial functions are those x-values at which the function equals zero. So, in order to find the roots for this function, we set $f(x)=0$ . So:

$(x+2)^2(x-4)(x+1)^3=0 \\ \\ \\ So \ we \ have \ the \ product \ of \ some \ factors \ then: \\ \\ The \ roots \ are: \\ \\ \\ \bullet \ x=-2 \ with \ multiplicity \ of \ 2 \\ \\ \bullet \ x=4 \\ \\ \bullet \ x=-1 \ with \ multiplicity \ of \ 3$

Finally, the graph of this function is shown below and the roots are also indicated.

<h2>Learn more:</h2>

Parabola: brainly.com/question/10525169

#LearnWithBrainly

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4 years ago