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3 years ago

Do the set of points in the figure represents a function? Yes No

Mathematics

2 answers:

devlian [24]3 years ago

7 0

Answer:

Yes

Step-by-step explanation:

We are given a set of points in the graph.

The coordinates are (1, 2), (2, 1), (3, 0), (-1, 4)

The coordinates are in the form (x, y), where "x" represents the domain and "y" represents the range.

We can see that the each x value associate with unique value of y or only one element of y.

By definition of function, If each input is associated with only one output, then the relation is called function.

Therefore, the given set of points in the figure represents a function.

Note: We can also use vertical line test. If we connect the points, then we will get a line. When we draw a vertical line, the line touches the line at only one point. If the vertical line touches the graph at only one point, then it is a function.

Therefore, the answer is Yes

Tpy6a [65]3 years ago

5 0

Answer:

yes because if you put a vertical line on it it only goes threw it once it is also called the vertical line test.

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Dmitry [639]

You can work out the percentage change and that would help you work out the rate of appreciation :)

The formula is ((new value - old value)/old value) * 100.

So you do $\frac{270,000 - 250,000}{250,000} \times 100 = 8\%$

Therefore the rate of appreciation is 8% p/a.

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2 years ago

Show how the perfect numbers 6 and 28 were generated. Show the aliquot parts of 6 and 28

Mashutka [201]

Step-by-step explanation:

Perfect number is the positive integer which is equal to sum of proper divisors of the number.

Aliquot part is also called as proper divisor which means any divisor of the number which isn't equal to number itself.

Number : 6

Perfect divisors / Aliquot part = 1, 2, 3

Sum of the divisors = 1 + 2 + 3 = 6

Thus, 6 is a perfect number.

Number : 28

Perfect divisors / Aliquot part = 1, 2, 4, 7, 14

Sum of the divisors = 1 + 2 + 4 + 7 + 14 = 28

Thus, 28 is a perfect number.

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3 years ago

Your football team has a probability of 3/4 or 75% of winning a game. Your team is scheduled to play 16 games. How many games wi

sasho [114]

Answer:

B. 12

Step-by-step explanation:

3/4 can be converted to something over 16. You have to multiply 4 x 4 to get to 16, so do the same with 3, and 3 x 4 is 12. Now the fraction/proportion is 12/16, so they will win 12 games.

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3 years ago

Read 2 more answers

Which equation represents a line which is perpendicular to the line y=5/4x-7

son4ous [18]

Y = -4/5x-7.

Step by Step Explanation:

To find perpendicular functions, you have to flip the slope.

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2 years ago

Which expression can be used to approximate the expression below, for all positive numbers a, b, and x, where a Not-equals 1 and

defon

The expression that can be used to approximate the expression below is $log_a x = \frac{log_{b}a}{log_{b}x}$

Given the logarithmic function expressed as $log_a x$ , we need the log expression that is equivalent to the given expression.

To do this, we will write the logarithm as a quotient to the same base. Using the base of 10, the expression can be written as;

$log_a x = \frac{log_{10}a}{log_{10}x}$

This is similar to the option c where the base of "b" was used as $log_a x = \frac{log_{b}a}{log_{b}x}$

Learn more on law of logarithms here: brainly.com/question/11587706

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2 years ago