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Snowcat [4.5K]
3 years ago
14

Which of the following equations defines a function?

Mathematics
2 answers:
Bond [772]3 years ago
7 0

Answer:

y=[ [x] ]

B

Step-by-step explanation:

a p e x

Marysya12 [62]3 years ago
4 0
I think the answer is c but im not sure
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Consider two medical tests, A and B for a virus. Test A is 90% effective at recognizing the virus when it is present, but has a
Licemer1 [7]

1

P(V|A) is not 0.95. It is opposite:

P(A|V)=0.95

From the text we can also conclude, that

P(A|∼V)=0.1

P(B|V)=0.9

P(B|∼V)=0.05

P(V)=0.01

P(∼V)=0.99

What you need to calculate and compare is P(V|A) and P(V|B)

P(V∩A)=P(A)⋅P(V|A)⇒P(V|A)=P(V∩A)P(A)

P(V∩A) means, that Joe has a virus and it is detected, so

P(V∩A)=P(V)⋅P(A|V)=0.01⋅0.95=0.0095

P(A) is sum of two options: "Joe has virus and it is detected" and "Joe has no virus, but it was mistakenly detected", therefore:

P(A)=P(V)⋅P(A|V)+P(∼V)⋅P(A|∼V)=0.01⋅0.95+0.99⋅0.1=0.1085

7 0
3 years ago
Which value is an input of the function?
MissTica

Answer:

x

Step-by-step explanation:

the value of x is the input and value of y is the output

8 0
3 years ago
Find the greatest common factor of 50, 25, and 100
tatuchka [14]

Answer:

25

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Choose the equivalent system of linear equations that will produce the same solution as the one given below.
dmitriy555 [2]
<span>C: 3x + 2y = 6
7x =12


Tell me if this helps, Have a great day!</span>
6 0
4 years ago
Please help!! :(((((
wel

Answer:

20+4(t)=?

Step-by-step explanation:

try using the vid :P

4 0
3 years ago
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