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Alenkinab [10]
3 years ago
8

Trudy invested $3,200 into an account that will increase in value by 2.5% each year. Write an exponential function to model the

situation, then find the
value of the investment after 10 years?
Mathematics
1 answer:
miskamm [114]3 years ago
3 0

Answer:

Example: Suppose you give $100 to a bank which pays you 10% compound interest at the end of every year. After one year you will have $100 + 10% = $110, and after two years you will have $110 + 10% = $121.

compound interest image

Problem:

If you deposit $4500 into an account paying 7% annual interest compounded semi anualy , how much money will be in the account after 9 years?

Result:

The amount is $8358.7 and the interest is $3858.7.

Explanation:

STEP 1: To find amount we use formula:

A = total amount

P = principal or amount of money deposited,

r = annual interest rate

n = number of times compounded per year

t = time in years

In this example we have

After plugging the given information we have

STEP 2: To find interest we use formula , since 8358.7  P =  we have:

3858.7

Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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(4a - 3b + 4c) + (8a - 2b + 3c)
Monica [59]

Answer:

<em>Hey mate, here's ur answer:</em>

<em>----------------------------------------------------------</em>

<em>(4a - 3b + 4c) + (8a - 2b + 3c)</em>

=4a+−3b+4c+8a+−2b+3c

=(4a+8a)+(−3b+−2b)+(4c+3c)

<u>=12a−5b+7c</u>

----------------------------------------------------------

<em>Hope it helps</em>

<em>#stayhomestaysafemate</em>

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5 0
3 years ago
Need Help pleasee.. I have attached the question below.. For the quick and correct answer I will give 10 points and brainliest
kirill [66]
A equals 3
Equation is g(x)=3f(x)

What i did is notice the y intercept is at 3 so I plugged in x=0 into the parent equation and got f(0)=1

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3 years ago
What is the graph of the function <br> f(x)=−⌊x⌋
kupik [55]

Answer:

Step-by-step explanation:

The equation being shown in the question is the absolute value of x. Absolute values when graphed show up as a V-shaped graph pointing upwards. This is because whatever value is passed as an input will output a positive, regardless of whether the input is positive or negative. Meaning that both 4 and -4 will output 4. That is why the graph is a V-shaped because the outputs repeat for both positive and negative inputs. In this case since the negative is outside the absolute value brackets the positive value given from the absolute value of the input will be turned into a negative. So this will cause the V-shape graph to be reflected across the x-axis. As seen in the attached picture below.

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