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Rus_ich [418]
3 years ago
6

A function is a rule that assigns each value of the independent variable to exactly one value of the dependent variable. True or

False
Mathematics
2 answers:
posledela3 years ago
7 0

Solution:

Let me define the term function first, A function is a rule or mapping such that each value in the domain called preimage has unique image in range.

For example , S={(1,2),(3,5)(6,5)(4,3)} is a function but two Same values in the Range have different Pre-images.

The ordered pair (x,y) has x= Domain , and y= Range.

If, y=x +5, here x is an independent variable and y is a dependent variable. For different x values ,we get unique y value.

So, Yes the Statement is true that ,  A function is a rule that assigns each value of the independent variable to exactly one value of the dependent variable.

vesna_86 [32]3 years ago
3 0
<span>The answer is true
 Let's imagine that we have the following function function:
 </span>y = x ^ 2 &#10;
 <span>We have to:
 Independent variable: x
 Dependent variable: y
 For x = -1:
 </span>y = (- 1) ^ 2 = 1 &#10;
<span> For x = 1:
 </span>y = (1) ^ 2 = 1 &#10;
<span> We observe that the independent variable can only obtain one result.
 Answer:
 True</span>
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Answer:

99 points

Step-by-step explanation:

Average of a data a is the sum of the data divided by the number of data.

Average = sum of data ÷ number of data

A = T/n .....1

For the average of 5 test to be 90.

The total sum of score must be;

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Substituting into equation 1

90 = T/5

T = 90×5 = 450 points

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The sum of the first four test is;

88+84+88+91 = 351

Let x represent the first score,

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