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jok3333 [9.3K]
2 years ago
7

Which of the following relations is a function?

Mathematics
1 answer:
djyliett [7]2 years ago
7 0

Answer & Step-by-step explanation:

The definition of a function is that every input, x, must have only one output, y. So, for every x value, there should be only one y value with it. If you have two x values that are the same and have different y values, then that is not a function. The only answer that showcases this is letter D.

<em>1 → 2</em>

<em>2 → 3</em>

<em>3 → 4</em>

<em>4 → 5</em>

In this function, every input has one output and each x value is different.

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Pls answer first one to get it right and show work will get brainliest thanks :3
Setler79 [48]

Answer:

x=−12/5

Step-by-step explanation:

2(1.5x−2)=−0.5(−4x−32)

Step 1: Simplify both sides of the equation.

−2(1.5x−2)=−0.5(−4x−32)

(−2)(1.5x)+(−2)(−2)=(−0.5)(−4x)+(−0.5)(−32)(Distribute)

−3x+4=2x+16

Step 2: Subtract 2x from both sides.

−3x+4−2x=2x+16−2x

−5x+4=16

Step 3: Subtract 4 from both sides.

−5x+4−4=16−4

−5x=12

Step 4: Divide both sides by -5.

−5x−5

=12/−5

x=−12/5

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3 years ago
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In two or more sentences, explain how to solve the cube root equation, 3√x−1+2=0
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Answer: PEMDAS


Step-by-step explanation: You wanna add 1 to both sides and get 3√x = 1. Then you wanna multiply 3 by 3√x which leaves you with x cause it canceled out. But remember to multiply 3 on both sides so x = 1 sq rt 3. Which is just 1.

x = 1


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Jerel runs 5 days each week. On each of 4 days, he runs 2.3 km. If Jerel runs a total of 14 km, how many kilometers does he run
denis-greek [22]
The answer you need is 19 easy
8 0
3 years ago
Read 2 more answers
Find the three geometric means between 15 and 1215.
irina [24]
Hello,

g_m(15,1215)=√(5*1215)=9√15≈77,942286340....
====================================
6 0
3 years ago
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