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timurjin [86]
3 years ago
10

The function shown the the graph is f(x) =

Mathematics
1 answer:
gtnhenbr [62]3 years ago
6 0

Answer:

B

Step-by-step explanation:

We will first look at the end behavior of the graph

Is it down then up which means that the degree is 3 and the coeficcent is positive

this leaves B or C

We then know that the x intercepts are (-2,0) (1,0) (3,0)

The easiest way to proceed from here is just plugging in numbers into our euqation and if the end result is 0 then we got it!

looking at the B we have

-2³-2*-2²-5(-2)+6

this equals 0 which means this is our answer (this elimates C because the only difference between the two equations is the sign on the 5x)

You can also factor it and find the zeroes that way, but it's just more work

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Complete the table using the equation w = m + 4
sveticcg [70]

Answer:

5+4 = 9

6+4 = 10

7+4 =11

Step-by-step explanation:

8 0
3 years ago
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What is -7+(-2)? I got nine but I'm not sure if that's correct.
horrorfan [7]
It's actually (-9)... think of it as a hot air balloon, the positivies being balloons and the negatives being sandbags or weights.
You have 7 sandbags/weights and add 9 more sandbags/weights, causing u to go lower, therefore, *negative* 9
Hope that helped! :))
8 0
3 years ago
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(From Textbook) A company makes dog food out of chicken and grain. Chicken has 10 grams of protein and 5 grams of fat per ounce,
Doss [256]

Answer:

The company use 0 ounces of chicken and 100 ounces of grain in each bag of dog food in order to minimize cost.

Step-by-step explanation:

Let x be the number of ounces of chicken

let y be the number of ounces of grains

We are given that Chicken has 10 grams of protein and 5 grams of fat per ounce.

Chicken has protein in 1 ounce = 10

Chicken has protein in x ounces = 10x

Chicken has fat in 1 ounce = 5

Chicken has fat in x ounces = 5x

We are also given that grain has 2 grams of protein and 2 grams of fat per ounce

Grain has protein in 1 ounce = 2

Grain has protein in y ounces = 2y

Grain has fat in 1 ounce = 2

Grain has fat in y ounces =2y

Now we are given that . A bag of dog food must contain at least 200 grams of protein and at least 150 grams of fat.

So, equation becomes:

10x+2y\geq 200 ---A

5x+2y\geq 150  ---B

Since x and y represent the ounces .

So, x\geq 0 ---C and y\geq 0 ----D

Plot A ,B ,C and D on the graph

Refer the attached graph so , the corner points are (0,100),(10,50) and (30,0)

We are also given that chicken costs 10 cents per ounce and grain costs 1 cent per ounce

So, Cost function becomes : c=10x+y

At(0,100)

c=10x+y

c=10(0)+100

c=100

At(10,50)

c=10x+y

c=10(10)+50

c=150

At(30,0)

c=10x+y

c=10(30)+0

c=300

Minimum cost is 100 cents at (0,100)

So,  the company use 0 ounces of chicken and 100 ounces of grain in each bag of dog food in order to minimize cost.

3 0
3 years ago
What Region does the Solution for Y
Vladimir [108]

Answer:

you need to provide a map or a question to be answered

Step-by-step explanation:

7 0
3 years ago
The regular price of an item at a store is p dollars. The items is on sale for 10% off the regular price. Some of the expression
Stolb23 [73]

Answer:

<u><em>C,   </em></u>  Expression B and Expression D

Step-by-step explanation:

<h2><u><em>Step 1 : Analyzing the question:</em></u></h2>

The regular price of an item at a store is p dollars. The items is

on sale for 10% off the regular price. Some of the expressions

below represent the sale price, in dollars, of the item.

It says  " <em>item on sale for 10% off </em>". That means p-0.1p  or  0.9p.

<h2><u><em>Step 2 : Looking at the next portion of the question:</em></u></h2>

Expression A: 0.1p

Expression B: 0.9p

Expression C: 1 - 0.1p

Expression D: p - 0.1p

Expression E: p - 0.0p

<u>Expression A</u> doesn't make any sense. It only shows the how

much you save

<h3><em><u>Expression B:</u></em>   This is one of the answer. </h3><h3 /><h3>p-0.1p=0.9p</h3><h3 />

<u>Expression C: </u>  You can't subtract 0.1p from 1

<h3><em><u>Expression D: </u></em>  D makes sense.p-0.1p=0.9p</h3><h3 />

<u>Expression E: </u>   This is the same thing as p

<h2><u><em>Step 3: The answers:</em></u></h2>

<u><em>The answer is C .</em></u>

5 0
3 years ago
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