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Alinara [238K]
3 years ago
11

Plz, help everything is in the picture!

Mathematics
1 answer:
Romashka [77]3 years ago
6 0

Answer:

  • $5469.49

Step-by-step explanation:

<u>Year >> Starting balance >>         prt            >>         Interest        </u>              

1                    4200         4200*1.045 = 4389          4389 - 4200 = 189

2                   4389         4200*1.045² = 4586.51    4586.51 - 4200 = 386.51      

3                   4586.51     4200*1.045³ = 4792.90   4792.90 - 4200 = 592.90

4                   4792.90    4200*1.045⁴ = 5008.58   5008.58 - 4200 = 808.58

5                   5008.58    4200*1.045⁵ = 5233.96   5233.96 - 4200 = 1033.96  

6                   5233.96    4200*1.045⁶ = 5469.49   5469.49 - 4200 = 1269.49

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The polynomial function has exactly 6 roots is f(x) = 7x⁶ + 3x³ + 12. Then the correct option is D.

<h3>What is Algebra?</h3>

Algebra is the study of mathematical symbols and the rule involves manipulating these mathematical symbols.

According to the fundamental theorem of algebra.

The polynomial function has only exactly 6 roots.

The roots are the value of the variables in the polynomial at which the value of the polynomial is zero.

If the degree of the variable is n then the number of the roots will be n or less than n.

If the number of the roots are 6, then the degree of the variable will be 6 in the polynomial.

Then the polynomial function has exactly 6 roots is f(x) = 7x⁶ + 3x³ + 12.

More about the Algebra link is given below.

brainly.com/question/953809

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