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Serga [27]
3 years ago
15

What is the value of the one real solution for y = x^3 - x^2 + 5

Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0
<h2>Answer:</h2>

x=-1.433

<h2>Explanation:</h2>

The easier way to solve this problem is to graph the function using graphing calculator. Here we have the following function:

y=f(x)= x^3 - x^2 + 5

So this is a cubic function that extends to \infty as x tends to \infty and -\infty as x tends to -\infty. This is so because the leading coefficient (the coefficient that accompanies x^3) is positive. Then, this graph will pass through a point in the x-axis which is the value of the only real solution. The graph shows that this value is:

x=-1.433

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Answer:

The correct options are;

1. Definition of supplementary angles

2. m∠1 + m∠2 = m∠1 + m∠3

3. m∠2 = m∠3

4. Definition of Congruent Angles

Step-by-step explanation:

The two column proof is presented as follows;

Statement           {}                                  Reason

1. ∠1 and ∠2 are supplementary    {}     Given

 {} ∠1 and ∠3 are supplementary

2. m∠1 + m∠2 = 180°        {}                    Definition of supplementary angles

{}   m∠1 + m∠3 = 180°

3. m∠1 + m∠2 = m∠1 + m∠3      {}          Transitive Property

4. m∠2 = m∠3       {}                               Subtraction Property of Equality

5. ∠2 ≅ ∠3       {}                                    Definition of Congruent Angles

Given that angles ∠1 and ∠2 are supplementary angles and angles ∠1 and ∠3 are are also supplementary angles, then the sums of m∠1 + m∠2 and m∠1 + m∠3 are equal, therefore, ∠2 and ∠3 have equal quantitative value and therefore ∠2 = ∠3 and by definition, ∠2 ≅ ∠3.

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Step-by-step explanation:

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Step-by-step explanation: here is your anserw the let me know if it right

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