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sergejj [24]
3 years ago
9

Given f(x) =3x-7, find f(x+1)+f(1)

Mathematics
1 answer:
ELEN [110]3 years ago
3 0

Answer:

3x - 8

Step-by-step explanation:

To find f(x + 1) substitute x = x + 1 into f(x)

f(x + 1) = 3(x + 1) - 7 = 3x + 3 - 7 = 3x - 4

Similarly

f(1) = 3(1) - 7 = 3 - 7 = - 4

Hence

f(x + 1) + f(1) = 3x - 4 - 4 = 3x - 8

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Complete question :

The birthweight of newborn babies is Normally distributed with a mean of 3.96 kg and a standard deviation of 0.53 kg. Find the probability that an SRS of 36 babies will have an average birthweight of over 3.9 kg. Write your answer as a decimal. Round your answer to two places after the decimal

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0.75151

Step-by-step explanation:

Given that :

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Using the z relation :

Zscore = (x - m) / (σ / √n)

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Using the Z probability calculator :

P(Z > - 0.679245) = 0.75151

= 0.75151

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3 years ago
Monique is going to give away 35% of her orange harvest to her neighbors. If she picked 480 oranges, how many will she be giving
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Answer:

168

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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