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3 years ago

Does This Table Represent a function? Why Or Why Not?

Mathematics

2 answers:

fenix001 [56]3 years ago

4 0

It is no because of A

Roman55 [17]3 years ago

3 0

Answer: The correct option is

(A) No, because one x-value correspond to two different y-values.

Step-by-step explanation: We are given to check whether the table represent a function or not.

From the table, we note that

the corresponding values of x and y in form of ordered pairs are

(x, y) = (2, 1), (2, 4), (3, 4), (4, 2) and (5, 5).

We know that a set of ordered pairs (x, y) represents a function of no value of x correspond to more than one one value of y.

But, in the given table, when the value of x is 2, then we are getting two different values of y, 1 and 4.

That is, one value of x correspond to two different values of y.

Thus, the given table DOES NOT represent a function, because one x-value correspond to two different y-values.

Option (A) is CORRECT.

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Which statements are true regarding f(x)=10/x+5

belka [17]

Answer:

1. The domain of f(x) is (–∞, –5) U (–5, ∞).

4. The y-intercept is (0, 2).

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Step-by-step explanation:

I got it correct on e2020

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3 years ago

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Nutka1998 [239]

What is the picture?

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3 years ago

What do I supposed to do ?

pentagon [3]

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2 years ago

Pls help me I’m struggling

konstantin123 [22]

Answer:2

Step-by-step explanation:

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3 years ago

1. Write numbers from standard form to Scientific notation for the following: The diameter of human DNA is about 0.000000002

zheka24 [161]

Okay, so in order to find scientific notation you're going to either move the decimal place to the left or right in order to make your answer a number between 1 and 9. In this case you're going to need to move it right, because you need to make it bigger in order to make it a number between 1 and 9. You'll have to move the decimal 9 places to the right, which will give you the number 2. Since you are making the number bigger, your exponent will be negative. That happens anytime you move the decimal place to the right. To the left, your exponent will be positive. Therefore the answer to 1 is:
2.00X10^-9

As for number two, you must first start by using the area formula of a triangle. That equation would be
A= 1/2bh or A=bh/2 (b=base and h=height)
By plugging that in you get an area of 83,200 miles. As mentioned before, when finding scientific notation, you want a number between 1 and 9. To do so, we have to make this number smaller by moving the decimal 4 places to the left (making the exponent positive) and resulting in an answer of:
8.32X10^4 miles

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3 years ago