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N76 [4]
3 years ago
15

A dependent variable is a. directly changed by the experimenter. b. manipulated by changes to the independent variable. c. a var

iable that is kept constant. d. a variable that is used as a control.
Mathematics
2 answers:
kakasveta [241]3 years ago
6 0
Hi there!

A dependent variable is one that is changed, when the independent variable changes.

For example, if we wanted to calculate how many dollars we've earned in a given amount of time, time would be the independant variable, because it is a constant and is not affected by how much many we earn. The amount of money we earned is directly affected by the independent variable, time.

Your answer is b.

Hope I helped!

Be sure to leave a "Brainliest" if I was helpful. Or not lol. I really don't care tbh XD
masya89 [10]3 years ago
5 0

Answer:- Option b. is the right answer. A dependent variable is manipulated by changes to the independent variable.


Explanation:-

In mathematical modelling or scientific research  a variable is defined as a term that has a quantity that varies. There are two kinds of variables:- 1) dependent variables 2) independent variables.

A independent variable can be change by the experimenter to check the effects on dependent variables which is observed by the him in a scientific experiment.

Thus, A dependent variable is manipulated by changes to the independent variable.

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Answer:

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Step-by-step explanation:

Given

<em>Table 1</em>

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y 3 9 15

<em></em>

<em>Table 2</em>

x 5 10 11

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<em>Table 3</em>

x 5 10 10

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Required

Determine which of the tables represent that y is a function of x

For a relation to be a function; the x values must be unique.

In other words, each x value must not be repeated;

Having said that;

Analyzing Table 1

<em>Table 1</em>

x 5 10 11

y 3 9 15

<em></em>

Note that the x rows are unique as no value were repeated;

Hence, Table 1 is a function

<em>Table 2</em>

x 5 10 11

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Note that the x rows are unique as no value were repeated;

Hence, Table 2 is a function

<em>Table 3</em>

x 5 10 10

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Note that the x rows are not unique because 10 was repeated twice;

Hence, Table 3 is not a function

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