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kaheart [24]
3 years ago
8

Suppose an investment of $2,300 doubles in value every decade. The function F(X)= 2300 * 2^X gives the value of the investment a

fter x decades. How much is the investment worth after 2 decades?
a.)$2,355,200
b.)$92,000
c.)$46,000
d.)$9,200 I think the answer is
c. Thank You.
Mathematics
1 answer:
kotykmax [81]3 years ago
8 0

You hit the right target!

\[\Huge\color{}\checkmark\]

It is 9200

Just to be sure, substitute with x = 2 in the equation.

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Explain how you determine an equation for a line using a table of input/output values.
Lubov Fominskaja [6]
Example :

            x               y
            1               3
            2               6
            3               9
            4               12

first thing u do is pick any 2 points (x,y) from ur table

(1,3) and (2,6)
now we sub those into the slope formula (y2 - y1) / (x2 - x1) to find the slope
(y2 - y1) / (x2 - x1)
(1,3)....x1 = 1 and y1 = 3
(2,6)...x2 = 2 and y2 = 6
sub
slope = (6 - 3) / (2 - 1) = 3/1 = 3

now we use slope intercept formula y = mx + b
y = mx + b
slope(m) = 3
use any point off ur table...(1,3)...x = 1 and y = 3
now we sub and find b, the y int
3 = 3(1) + b
3 = 3 + b
3 - 3 = b
0 = b

so ur equation is : y = 3x + 0....which can be written as y = 3x...and if u sub any of ur points into this equation, they should make the equation true....if they dont, then it is not correct

and if u need it in standard form..
y = 3x
-3x + y = 0
3x - y = 0 ...this is standard form
6 0
3 years ago
I don't know I try my best I'm not good at this
AlladinOne [14]
You should definitely ask your parents or teacher. Also, never give up :)
Trust me just keep trying your best and don't tell yourself that you can't do it :)
8 0
2 years ago
I need help please!!
Alex73 [517]

Answer:

Sorry I could only find the answer to the second part.

y=56x

6 0
2 years ago
Lost all factor pairs of 50
Genrish500 [490]

Answer:

(5, 10 ) ( 2, 25 )

Step-by-step explanation:

6 0
3 years ago
I just don’t feel like doing the work.... wanna help?
nata0808 [166]
38% GOOD LUCK ya ya sus
6 0
3 years ago
Read 2 more answers
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