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Kobotan [32]
3 years ago
12

Solve for ? F(x)=3x-1 F(x)+4=?

Mathematics
1 answer:
brilliants [131]3 years ago
6 0

Answer:

F(x) + 4 = 3x + 3

Step-by-step explanation:

F(x) = 3x - 1     |add 4 to both sides

F(x) + 4 = 3x + 3

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Madeline received $300 for her birthday. She deposits it into a savings account with an interest rate of 2.45%. She makes monthl
oee [108]

Answer:

  b.  $1,587.57

Step-by-step explanation:

A financial calculator will tell you the value of Madeline's account after  8 years will be $16,287.57. In that time, she will have deposited ...

  $300 +96×150 = $14,700

The interest earned is the difference between her account balance and the amount she deposited:

  $16,287.57 -14,700 = $1,587.57 . . . interest earned

_____

<em>Account value calculation</em>

The future value of the initial $300 deposit after 8 years is ...

  A = P(1 +r/n)^(nt)

for principal P earning annual rate r compounded n times per year for t years.

  A = $300(1 +0.0245/12)^(12·8) ≈ $364.89

The future value of the sum of $150 deposits monthly (at the beginning of the month) will be ...

  A = $150((1+r/n)^(nt) -1)(1 +n/r) = $15,922.68

So, the total value of Madeline's account in 8 years is ...

  $364.89 +15,922.68 = $16,287.57

_____

<em>Comment on account value</em>

In problems of this nature, it is always necessary to determine when the deposits are made relative to when the account value is measured. Here, we assume the $300 deposit is immediate, and its value is measured 8 years hence.

The monthly deposits are not described in that detail. In order to get any of the numbers in the answer list, we need to assume the deposits are at the beginning of the month. If we assume they are at the end of the month, the amount of interest is reduced by about $33.18, the last month's interest.

7 0
3 years ago
Help me please help with this problem
vodomira [7]
It would be x=-4 have a good day
5 0
3 years ago
Identify the exponential function for the given graph.
Korolek [52]

Answer:

Step-by-step explanation:

C - 3(2^x).

8 0
3 years ago
What is the distance between -6 and -3 on a number line?
Ira Lisetskai [31]
I think it's 3 but idk I'm not good at math
7 0
3 years ago
Read 2 more answers
What is the radius of a circle that has the area of 109 units squared
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Radius = 5.64 I believe.
5 0
3 years ago
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