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Lemur [1.5K]
3 years ago
9

Which relation describes a function?

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0

Answer:

{(-2, -3), (-3, -2), (2,3), (3, 2)}

Step-by-step explanation:

A function is a set of ordered pairs in which <u>no two pairs have the same first number</u>.

In other words, an <em>x</em> cannot be paired with two <em>y</em>'s.

A function takes an <em>x</em> and pairs it with one and only one <em>y</em>.

{(0,0), (0, 2), (2.0), (2, 2)} is not a function because it pairs 0 with both 0 and 2.

{(2,-1), (2, 1), (3,-1), (3, 1)} is not a function because it pairs 2 with both -1 and 1.

{(2, 2), (2, 3), (3, 2), (3, 3)} is not a function because it pairs 2 with both 2 and 3.

Vesnalui [34]3 years ago
6 0
The function is b) {(-2,-3), (-3,-2), (2,3), (3,2)}
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Answer:

1 piece will cost 2 cents

Step-by-step explanation:

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Step-by-step explanation:

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2 years ago
Find the value of x in the given
Ierofanga [76]

Check the picture below.

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7 0
2 years ago
A^2(64a^2-3)/3=27-4a^2/4
frutty [35]
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First get rid of the paranthesis,
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Then set the denominators equal:
\frac{ 256 {a}^{4}  - 12 {a}^{2}}{12}  =  \frac{81 - 12 {a}^{2} }{12}
Then remove the denominators and solve:
256 {a}^{4}  - 12 {a}^{2}  = 81 - 12 {a}^{2}
Eliminate -12a^2 by adding 12a^2 to both sides:
256 {a}^{4}  = 81
Take the fourth root of them or take the square root twice:
\sqrt[4]{256 {a}^{4} }  =  \sqrt[4]{81}   \\  4a = 3
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7 0
2 years ago
Amanda buys 4 tickets to the baseball game for $24 each. Which equation
pentagon [3]

Answer:

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Step-by-step explanation:

Given that,

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Total cost = No. of tickets × Cost of each baseball

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Hence, the total cost is $96.

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