3 years ago

Find the average rate of change of this function:

Mathematics

1 answer:

Phoenix [80]3 years ago

7 0

Answer:

A slope of the line over the interval of [-6, -1] is ⅕ as illustrated in the graph above

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Which set of ordered pairs represents y as a function of x?

kramer

I believe the answer is the second one {starts with (2,-1)}.
To be considered a function, the input which is the x value can only have one output which is the y value. The others have at least one input with multiple outputs.

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3 years ago

Does anyone keep getting these answers with links???

Korvikt [17]

Answer:

yes they are viruses i think never go to the website

Step-by-step explanation:

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3 years ago

Explain how you could write a quadratic function in factored form that would have a vertex with an x-coordinate of 3 and two dis

Elena-2011 [213]

Answer:

$f(x) = (x + 1)(x - 7)$

Step-by-step explanation:

For a quadratic function to have a vertex with an x-coordinate of 3, then

$3 = - \frac{b}{2a}$

Let a=1, then we have

$3 = - \frac{b}{2}$

$b = - 2 \times 3 = - 6$

So now our equation becomes:

$f(x) = {x}^{2} - 6x + c$

We now find two factors of c that add up to -6.

Let these factors be 1, and c.

Then

$c + 1 = - 6$

$c = - 6 - 1 = - 7$

Therefore the factors are :

1 and -7.

The function becomes:

$f(x) = {x}^{2} - 6x - 7$

The factored form is

$f(x) = (x + 1)(x - 7)$

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3 years ago

Jasmin has 50 marbles in a bag.20% of the marbles are blue.How many marbles are blue

Minchanka [31]

20% of 100 is 20. divide that by 2 to get 20% of 50. 20/2 is 10. 20% of 50 is 10. There are 10 blue marbles.

Hope it helped :)
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3 years ago

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Masteriza [31]

Answer:

Hunter played 3 rounds

Step-by-step explanation:

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