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3 years ago

Decide whether the relation defined by the graph to the right defines a function, and give the domain and range.

Mathematics

2 answers:

makvit [3.9K]3 years ago

6 0

It is a function. You can tell this by doing the vertical line test. If it meets any two points on the graph it is not a function. But because this is a straight line it would not ever meet two points.

maria [59]3 years ago

5 0

Can’t help you right now I’m very sorry but I’ll help u later

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PLEASE HELP

kicyunya [14]

Y= k x 2x so when x=6 and y=72, we find k= 6 so when x=4 we get (12) x 2(4) and find y=96 :)

4 0

3 years ago

IQ scores are known to be normally distributed. The mean IQ score is 100 and the standard deviation is 15. The top 25% of the po

aev [14]

Answer:

110

Step-by-step explanation:

We have been given that the mean IQ score is 100 and the standard deviation is 15.

We will use normal distribution table to solve our given problem.

The top 25% of the population will represent scores greater than 75%.

The z-score corresponding to data greater than 75% is 0.6745.

Upon substituting our given values in z-score formula, we will get:

$z=\frac{x-\mu}{\sigma}$

$0.6745=\frac{x-100}{15}$

$0.6745*15=\frac{x-100}{15}*15$

$10.1175=x-100$

$10.1175+100=x-100+100$

$110.1175=x$

Therefore, the top 25% of the population (ranked by IQ score) have IQ’s above 110.

3 0

3 years ago

The sum of 6 and a number is 15

alexandr402 [8]

Answer:

15+6=21

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

75,4,3,100 form of proportion<br><br>

Oksi-84 [34.3K]

Answer:

75/4=3/100

Step-by-step explanation:

sinple this is on proportion

if you want crisscross the fraction

5 0

3 years ago

If the 3rd term of a geometric series is

Sonja [21]

Answer:

-3or-48

Step-by-step explanation:

in this question you will get two equation which will used to find common ratio and first term and finally you will find 7th

8 0

3 years ago