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3 years ago

Writing Polynomial Functions

Mathematics

1 answer:

vitfil [10]3 years ago

4 0

Answer:

Step-by-step explanation:

If the zero occur when x={5, -2, -1} then the equation must be

(x-5)(x+2)(x+1) if expansion is desired

(x^2-3x-10)(x+1)

x^3+x^2-3x^2-3x-10x-10

x^3-2x^2-13x-10

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blondinia [14]

Answer: Is correct trust me.

Step-by-step explanation:

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3 years ago

Write the equation of the line parallel to x = -16 and passes through the point (9, -10).

nekit [7.7K]

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3 years ago

If y is less than or equal to minus 4x and 3x minus 4 is equal to 2x plus 6. find the value of x

MrRa [10]

Answer:

y <= -40

Step-by-step explanation:

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3 years ago

The grams of sugar per serving for three brands of cereal are 4 g, 10 g, and 14 g. The probability of choosing a cereal with 4 g

Sergio039 [100]

Answer:

$Expected\ Value = 9$

Step-by-step explanation:

Given

Cereal A

$Probability = \frac{1}{4}$

$Grams = 4$

Cereal B

$Probability = \frac{5}{8}$

$Grams = 10$

Cereal C

$Probability = \frac{1}{8}$

$Grams = 14$

Required

Determine the expected value of grams of sugar

This is calculated by multiplying the probability and grams of sugar in each cereal.

The results of the products are then added together

i.e.

$Expected\ Value = \frac{1}{4} * 4 + \frac{5}{8} * 10 + \frac{1}{8} * 14$

$Expected\ Value = 1 + \frac{50}{8}+ \frac{14}{8}$

$Expected\ Value = 1 + 6.25 + 1.75$

$Expected\ Value = 9$

Hence;

The expected value of grams of sugar is 9 grams

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Step-by-step explanation:

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