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givi [52]
3 years ago
7

Which relation is a functiona) {(2.4), (2,-7) (2,11), (2,-15)}

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0
D is a function  because  there are no repeated x values 

for example b is not a function because we have (0,-7) and (0,-9)
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The total cost (in dollars) for a company to manufacture and sell x items per week is C(x)=50x+400. If the revenue brought in by
Vedmedyk [2.9K]

Answer:

$720

Step-by-step explanation:

Given the following functions

Cost function C(x)=50x+400

Revenue function R(x)=80x-0.05x^2

P(x)=R(x)−C(x).

Profit function P(x) = 80x-0.05x^2 - (50x+400)

P(x) = 80x-0.05x^2 - 50x - 400

Substitute x = 40

 P(40) = 80(40)-0.05(40)^2 - 50(40) - 400

P(40) = 3200-80-2000-400

P(40) =3200-2480

P(40) = 720

Hence the amount of profit made is $720

4 0
3 years ago
15. Joey indicated that the Bayugan City can be found at coordinates (-1 1/2,0). Do you agree with Joey? Why or why not?
Arturiano [62]

Answer:

The answer is "False".

Step-by-step explanation:

In this question, I disagree with Joey since the town of Bayugan has been at co-ordinates (0,-1\frac{1}{2}) which would be contradictory to Joey.

5 0
2 years ago
How are the Expressions 1/4 of 12 + 12 / 4 related
tatyana61 [14]
1/4 of 12 is 3. Because there are 4 threes in twelve. 12/4 is twelve divided by four, which is three. 
6 0
3 years ago
(Will give brainiest to whoever answers correctly)PLEASE this is do tomorrow and I don't know how to do it, also explain step by
tia_tia [17]

Answer:

64 guarts of ice-cream

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cross multiply and find x you'd get 64

5 0
3 years ago
It is 6 kilometers from Linda's house to the nearest mailbox. How far is it in meters?
Zanzabum

Answer:

6000 meters

Step-by-step explanation:

Each kilometer is 1000 meters so 1000 x 6 is 6000

3 0
2 years ago
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