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sashaice [31]
3 years ago
12

What is the range of the function in this table

Mathematics
2 answers:
professor190 [17]3 years ago
8 0

Answer:

Choice D is the correct answer.

Step-by-step explanation:

We have given a table of values of x  and y.

We have to find the range of the function.

Range is defined as the set of all output values of function.

The values of y are called outputs and the values of x are called input.

Hence, the values of y are 1,4,4 and 2.

Range  = {1,2,4} which is the answer.

Nuetrik [128]3 years ago
3 0

Answer:

Option D is correct

(1,2,4)

Step-by-step explanation:

Given is a table as

x y

2 1

3 4

4 4

5 2

------------------------

Here we are asked to find the range

Range is the values of y which have preimages as x

Here we find that the items y=1,4,2 have preimages in x

Hence range = (1,4,4,2)

Write in order and write only once the repeated values to get range as

Range = {1,2,4}

Option D is right

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Answer: The z-scores for a woman 6 feet tall is 2.96 and the z-scores for a a man 5'10" tall is 0.25.

Step-by-step explanation:

Let x and y area the random variable that represents the heights of women and men.

Given : The heights of women aged 20 to 29 are approximately Normal with mean 64 inches and standard deviation 2.7 inches.

i.e. \mu_1 = 64   \sigma_1=2.7

Since , z=\dfrac{x-\mu}{\sigma}

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[∵  1 foot = 12 inches , 6 feet = 6(12)=72 inches]

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i.e. \mu_2 = 69.3   \sigma_2=2.8

Then, z-score corresponds to a man 5'10" tall (i.e. y =70 inches).

[∵  1 foot = 12 inches , 5 feet 10 inches= 5(12)+10=70 inches]

z=\dfrac{70-69.3}{2.8}=0.25

∴ The z-scores for a woman 6 feet tall is 2.96 and the z-scores for a a man 5'10" tall is 0.25.

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3 years ago
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