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Morgarella [4.7K]
3 years ago
12

What is the inverse of the function

" id="TexFormula1" title="f(x) = \frac{x + 1}{x} " alt="f(x) = \frac{x + 1}{x} " align="absmiddle" class="latex-formula">
Mathematics
1 answer:
expeople1 [14]3 years ago
3 0
Y=(x+1)/x

x=y+1 / y

x=1/(y-1)
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anna is shopping for a new backpack. The probability that the backpack is pink is 0.7, and teh probability that it is canvas is
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The probability that it is pink or canvas is 0.9

Step-by-step explanation:

Let us revise the meaning of "or" , "and" on probability :

  • The use of the word "or" means that you are calculating the probability  that either event A or event B happened.  Both events do not have to happen
  • The use the word "and", means that both event A and B have to happen

The addition rules are:

  • P(A or B) = P(A) + P(B) ⇒ mutually exclusive (events cannot happen  at the same time)
  • P(A or B) = P(A) + P(B) - P(A and B) ⇒ non-mutually exclusive (if they  have at least one outcome in common)

Anna is shopping for a new backpack

∵ The probability that the backpack is pink is 0.7

∴ P(pink) = 0.7

∵ The probability that it is canvas is 0.7

∴ P(canvas) = 0.7

∵ The probability that it is pink and canvas is 0.5

∴ P(pink and canvas) = 0.5

Substitute the values above in the rule below

∵ P(pink or canvas) = P(pink) + P(canvas) - P(pink and canvas)

∴ P(pink or canvas) = 0.7 + 0.7 - 0.5

∴ P(pink or canvas) = 0.9

The probability that it is pink or canvas is 0.9

Learn more:

You can learn more about probability in brainly.com/question/10744457

#LearnwithBrainly

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3 years ago
Which graph represents the same relation as the rule y = 2x, for all real numbers x?
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Answer:

uh....…....…....….…..……..…

Step-by-step explanation:

uh....…....…....…..……..…..…

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3 years ago
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