2 years ago

What is the range of the function f(x)=26-2x

1 answer:

4 0

Answer:

(-infinity to infinity)

Step-by-step explanation:

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MrMuchimi

Answer:

4n=y

Step-by-step explanation:

because 4 is the number of characters they use and n is the number of spaces or characters it takes

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2 years ago

lara31 [8.8K]

Answer:

square root of 1

Step-by-step explanation:

Try it.

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2 years ago

ValentinkaMS [17]

Answer:

FALSE

Step-by-step explanation:

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2 years ago

charle [14.2K]

The mean is $\mu=85$ and standard deviation is $\sigma=5$ . Then the variable $X\sim N(85,5)$ .

Use substitution $Z=\dfrac{X-\mu}{\sigma}=\dfrac{X-85}{5}$ , then the variable $Z\sim N(0,1)$ .

The probability $Pr(X>80)$ can be calculated in the following way:

for X=80, $Z=\dfrac{80-85}{5} =-1$ and $Pr(X>80)=Pr(Z>-1)$ . From the diagram $Pr(Z>-1)=0.34+0.34+0.135+0.025=0.84$ .

Conclusion: if 188 students take the exam, then 188·0.84=157.92 (157) would receive a score above 80

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2 years ago

ivolga24 [154]

The answer is 70 people will attend

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2 years ago