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zimovet [89]
2 years ago
8

Profit is the difference of revenue and cost. Assuming the costs are $150, write an equation that represents the revenue R from

selling x lunches. Describe the graph of the e quation and interpret the slope.
Mathematics
1 answer:
krok68 [10]2 years ago
4 0
I’m pretty sure it’s…x-150= R
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Please help and thank you.
Ulleksa [173]

Answer:

zeros: x = 5, or (5, 0)

domain: x ≥ -4

Step-by-step explanation:

The zeros are the values of x where the graph crosses the x-axis. The graph crosses at x=5, so that is the zero.

___

The domain is the set of x-values for which the function is defined. There is no graph for x < -4, so the graph is only defined for x ≥ -4. The domain is x ≥ -4.

_____

The graph has the appearance of the graph of ...

y=\sqrt{x+4}-3

8 0
3 years ago
Find the perimeter of the figure to the nearest hundredth.
MariettaO [177]

Answer:

Step-by-step explanation:

7 0
3 years ago
Find the perimeter of the rectangle.
algol13
All you have to do is find the length of the sides using the distance formula and then add the lengths together to find the perimeter
8 0
3 years ago
Find a polynomial equation that has zeros at x = -4, x = 0, and a double root at x = 7.
Ksju [112]

Answer:

D

Step-by-step explanation:

Given a polynomial f(x) with roots say x = a and x = b, then the factors are

(x - a) and (x - b) and f(x) is the product of the roots, that is

f(x) = (x - a)(x - b)

Here the roots are x = - 4, x = 0 and double root at x = 7

Thus factors are (x - (- 4)), (x - 0), that is (x + 4) and x

Given a double root at x = 7 the factor is (x - 7)², thus polynomial is

y = x(x + 4)(x - 7)² → D

7 0
3 years ago
Aubrey has a Shelf full of books exactly one third of books on the Shelf are Mysteries. Aubrey has read 10 of the mysteries on t
CaHeK987 [17]
The correct answer for this question is this one: "<span>147"</span>

Here's how to solve this problem.

Let  <span>x = number of mystery books on the shelf </span>
<span>Let 3x = total number of books on the shelf </span>

<span>we are told that </span>
<span>x/5<10<x/4 </span>
<span>multiply by 20, </span>
<span>4x<200<5x </span>
<span>which means that </span>
<span>40<x<50 </span>
<span>So the number of mystery books can be any number between 41 and 49.
In other words, the possible total number of books could be three times the above numbers, 123, 126, 129,.... </span>
Choose the one that suits your answer choices.

Here are the following choices:
Which could be the number of books on the shelf? 
A. 120 B 140 c 147 D 150

4 0
3 years ago
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