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Nostrana [21]
3 years ago
11

What is the value of f(3) when f(x) =4x+1

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
8 0

Answer: 13

<u>Step-by-step explanation:</u>

f(x) = 4x + 1

f(3) = 4(3) + 1

     = 12 + 1

     = 13

Makovka662 [10]3 years ago
3 0

f(x) = 4x + 1 \\ f(3) = 4(3) + 1 \\  = 12 + 1 \\  = 13
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Answer: -10x+7.5

Step-by-step explanation:

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3 years ago
Robin, who is self-employed, contributes $4500/year into a Keogh account. How much will he have in the account after 30 years if
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Answer:

The amount that would be in the account after 30 years is $368,353

Step-by-step explanation:

Here, we want to calculate the amount that will be present in the account after 30 years if the interest is compounded yearly

We proceed to use the formula below;

A = [P(1 + r)^t-1]/r

From the question;

P is the amount deposited yearly which is $4,500

r is the interest rate = 2.5% = 2.5/100 = 0.025

t is the number of years which is 30

Substituting these values into the equation, we have;

A = [4500(1 + 0.025)^30-1]/0.025

A = [4500(1.025)^29]/0.025

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To the nearest whole dollars, this is;

$368,353

4 0
2 years ago
The total number of people who visitedthe ocean adventure park last year was 7,040,836 . What is the valur of the digit 4 in thi
Vesna [10]
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Answer:

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Step-by-step explanation:

Hope it helps!

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