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Leona [35]
3 years ago
13

Use the graph to determine the domain and range of the relation, and whether the relation is a function.

Mathematics
2 answers:
Art [367]3 years ago
7 0
The correct answer is A
enot [183]3 years ago
5 0

Answer:  The correct option is

(c) Domain: {x | -8 ≤ x ≤ 8}; Range: all real numbers; No. it is not a function.

Step-by-step explanation:  We are given to use the graph to determine the domain and range of the relation, and to check whether the relation is a function or not.

<u><em>Function:</em></u>  A relation y = f(x) is said to be a function if each value of the independent variable x results in exactly one value of the dependent variable y.

From the graph, we notice that

for x = 4, there are two values of y, i.e., y = 4 and 10. So, (4, 2) and (4, 10) lies on the graph of the given relation.

Hence, the given relation is not a function.

<u><em>Domain and range:</em></u>  The set of all values of the independent variable x is called the domain and the set of corresponding values of the dependent variable is called the range.

From the graph, we see that the values of independent variable x varies from -8 to 8 and the values of dependent variable y varies from -∞ to ∞.

Therefore,

Domain : {x | -8 ≤ x ≤ 8} and Range: all real numbers.

Thus, Domain: {x | -8 ≤ x ≤ 8}; Range: all real numbers; No. it is not a function.

Option (C) is CORRECT.

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Answer:

The polynomial is ;

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Step-by-step explanation:

Given the zeros, we set them to equal zero so as to get the linear factors

Mathematically, that will be as follows;

x = -2

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So we have the polynomial as;

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= x^3+ 3x^2 + 2x -5x^2 -15x - 10

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