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abruzzese [7]
3 years ago
5

Aron wrote the function f(x)=25x-15 find the amount of money he would make after washing x cars. Select all that are in the doma

in of Aron’s function.
A-2
B-2.3
C-5
D-7.1
E-10
Mathematics
1 answer:
My name is Ann [436]3 years ago
4 0

Answer:

A. 2


C. 5


E. 10

Step-by-step explanation:

If x represents the number of cars that wash Aron then the domain of x must contain only the whole and positive numbers (natural numbers)


This, because Aron can not wash -4 cars, it would be absurd then that x was a negative number.


In the same way Aron can not wash 1.57 cars. Or washed 1 car or washed 2, it is not consistent in this case to say that washed a car and a half, for example.


Therefore the correct answer is the options


A. 2


C. 5


E. 10

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If f(x) = 4x - 6, what is f(6)?<br> A. 32<br> B. 3<br> o<br> C. 4<br> O D. 18
lesantik [10]

Answer:

18 is the correct answer

Step-by-step explanation:

to find f(6) you only need to put value 6 in place x and then simple  addotion subtraction

f(6)=4(6)-6

f(6)=24-6

f(6)=18

6 0
3 years ago
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Inessa05 [86]

Answer:

4/5

Step-by-step explanation:

Short and Sweet Have a good day :D

8 0
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A fair die is cast four times. Calculate
Anestetic [448]

Answer:

0.1319 or 13.2%

Step-by-step explanation:

You can solve this using the binomial probability formula.

The fact that "obtaining at least two 6s" requires you to include cases where you would get three and four 6s as well.

Then, we can set the equation as follows:

P(X≥x) = ∑(k=x to n) C(n k) p^k q^(n-k)

n=4, x=2, k=2

when x=2  (4 2)(1/6)^2(5/6)^4-2 = 0.1157

when x=3  (4 3)(1/6)^3(5/6)^4-3 = 0.0154

when x=4 (4 4)(1/6)^4(5/6)^4-4 = 0.0008

Add them up, and you should get 0.1319 or 13.2% (rounded to the nearest tenth)

4 0
3 years ago
R= 4/3(p-q) <br><br>solve for p ​
Naya [18.7K]

Answer = p=12-4 -12=17=18+19

p-q

p=12

3 0
3 years ago
HELP ASAP! What is the slope of the line???
ANEK [815]

Answer: the slope is 1

Step-by-step explanation:

Slope is basically rise over run. Looking at the graph you see it rises one unit and then goes over to the left by one unit. 1÷1 equals 1 so That is your slope.

8 0
3 years ago
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