2 years ago

How do we calculate the rate of change for a given domain

2 answers:

8 0

Answer:The average rate of change between two input values is the total change of the function values (output values) divided by the change in the input values.

Step-by-step explanation:

hjlf2 years ago

3 0

Answer:

to find the average rate of change, we divide the change in the output value by the change in the import value

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9 marbles your draw one what is the probability of drawing a red pen? You have 2 yellow 3 black and 4 reds

Pie

Answer:

4 / 9

Step-by-step explanation:

There are 4 reds out of 9 so the probability would be 4 out of 9 or 4 / 9.

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3 years ago

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Solve the quadratic by factoring 4x2+x=-7x-3

DedPeter [7]

Answer:

x = -3/2

x = -1/2

Step-by-step explanation:

4x^2 + 8x + 3

4x^2 + 2x + 6x + 3

2x(2x+1) + 3(2x+1)

(2x + 3) (2x + 1)

x = -3/2

x = -1/2

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2 years ago

The number of people contacted at each level of a phone tree can be represented by f(x) = 3x, where x represents the level.What

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Answer: The answer to this bummy question is B

Step-by-step explanation:

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3 years ago

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There are 8 swimmers in the swimming club. The club bought c swimming caps to split among its members. Write an expression that

love history [14]

Answer:

c/8

Step-by-step explanation:

This is division. This can be figured out by reading "split". If something is to be split, it is the dividend.

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2 years ago

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A recent poll of 80 randomly selected Californians showed that 38% ( = 0.38) believe they are doing all that they can to conserv

Elanso [62]

The margin of error given the proportion can be found using the formula

$z* \sqrt{ \frac{p(1-p)}{n} }$

Where
$z*$ is the z-score of the confidence level
$p$ is the sample proportion
$n$ is the sample size

We have
$z*=2.58$
$p=0.38$
$n=80$

Plugging these values into the formula, we have:
$2.58 \sqrt{ \frac{0.38(1-0.38)}{80} } =0.14$

The result 0.14 as percentage is 14%

Margin error is 38% ⁺/₋ 14%

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3 years ago

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