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Inessa [10]
3 years ago
14

Which function models the value in x years of an investment at 3% annual interest compounded quarterly?

Mathematics
1 answer:
Fofino [41]3 years ago
3 0

Answer:

Option C is the correct answer.

Step-by-step explanation:

Looking at the functions given,

Initial amount deposited into the account is $150 This means that the principal is

P = 150

It was compounded quarterly. This means that it was compounded 4 times in a year. So

n = 4

The rate at which the principal was compounded is 3%. So

r = 3/100 = 0.03

It was compounded for x years. So

t = x years

The formula for compound interest is

A = P(1+r/n)^nt

A = total amount in the account at the end of t years. Therefore, the

function that models the value in x years of an investment at 3% annual interest compounded quarterly would be

150 (1+0.03/4)^4×x

150 (1 +.0075)^4x

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Answer:

\frac{1}{ 9 }

Step-by-step explanation:

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Soloha48 [4]

Given:

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To find:

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Solution:

1. -3 x^{2}\left(4 x^{3}-7\right) =-3 x^{2}(4 x^{3}) -3 x^{2}(-7)

Multiply the numerical coefficient and add the powers of x.

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Multiply the numerical coefficient and add the powers of x.

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3. (3 x-1)\left(x^{2}+5 x-2\right)=3 x(x^{2}+5 x-2)-1(x^{2}+5 x-2)

Multiply each term of first polynomial with each term of 2nd polynomial.

Multiply the numerical coefficient and add the powers of x.

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Add or subtract like terms together.

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The answer for multiplying polynomials:

1. -12 x^{5}+21 x^{2}

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