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Cloud [144]
4 years ago
8

Is the relation a function?

Mathematics
1 answer:
Margaret [11]4 years ago
8 0
No; a domain value has two range values.

x = -2 then y = 1 and 2

they would form a vertical line, which tells us that it's not a function
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ki77a [65]
The answer is 4 if I am correct
3 0
3 years ago
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If x equals 3 calculate the value of 2x squared plus x
Korolek [52]
2 × 3 = 6
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Hope this helps!
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3 years ago
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What are the coefficients in the expression x-3y-7xy+4?
IRINA_888 [86]

The coefficients in the expression x-3y-7xy+4 is -3 and -7.

The coefficient of x are 1

-3y=3

-7xy=-7

What is coefficients?

A coefficient is a number or quantity that is associated with a variable. Typically, it is an integer multiplied by the variable and written next to it. The variables which do not have a number with them are assumed to be having 1 as their coefficient. For example, 3 is the coefficient of x in the expression 3x, but 1 is the coefficient of x2 in the expression x2 + 3. A coefficient, in other words, is a multiplicative factor in terms of a polynomial, a series, or any expression. Consider the following expression, which shows that 5 is the x2 coefficient and 8 is the y coefficient.

To learn more about coefficients from the given link:

brainly.com/question/27481600

#SPJ9

8 0
2 years ago
suppose Tomas buys a total of 30 baseball and football cards in week 5 . how many of each would he have to buy to keep the same
Charra [1.4K]

Answer:

  • 18 baseball cards
  • 12 football cards

Step-by-step explanation:

The only relationship shown in the table is in week 1, where the ratio of baseball to football cards is ...

  baseball : football = 9 : 6

In week 1, the total of these numbers is 15. You want the total in week 5 to be 30, double the total in week 1. So, Thomas needs to purchase double the numbers he purchased in week 1:

  • 18 baseball cards
  • 12 football cards

_____

<em>Comment on the attachment</em>

This table came from another question you posted, a question with no content other than the table. The blue numbers are blanks in the original table that have been filled in so as to keep the same 3:2 proportion in each week. They appear to have no bearing on this question.

7 0
3 years ago
You are writing a research paper on plant cells. You got 48,600,000 results on the online search. How do you write 48,600,000 in
never [62]

Place a decimal point between the first two digits (4 and 8). Erase the commas and the 0s. So you'll have 4.86 left over after you've done that erasing.

Now ask yourself: "how many places to the right must I move the decimal to get 4.86 to turn back to 48,600,000?"

That would be 7 places to the right. That 7 is the exponent over the 10

<h3>Therefore, the answer is 4.86 * 10^7</h3>

This number is 48.6 million

8 0
4 years ago
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