The formula for the amount A in an investmentaccount with a nominal interest rate r at any timet is given by A ( t ) = a ( e ) r t , where a is the amount ofprincipal initially deposited into an account thatcompounds continuously. Prove that the percentageof interest earned to principal at any time t can becalculated with the formula I ( t ) = e r t − 1.
The formula for the amount A in an investmentaccount with a nominal interest rate r at any timet is given by A ( t ) = a ( e ) r t , where a is the amount ofprincipal initially deposited into an account thatcompounds continuously. Prove that the percentageof interest earned to principal at any time t can becalculated with the formula I ( t ) = e r t − 1.
The formula for the amount A in an investmentaccount with a nominal interest rate r at any timet is given by
A
(
t
)
=
a
(
e
)
r
t
,
where a is the amount ofprincipal initially deposited into an account thatcompounds continuously. Prove that the percentageof interest earned to principal at any time t can becalculated with the formula
I
(
t
)
=
e
r
t
−
1.
3. Write a system of linear equations in slope intercept form that has exactly one solution at
the point (3, 4), such that one line has positive slope (but not 1) and the other line has
negative slope (but not "1).
Also write your system of equations with both
equations written in standard form with out
any fractions
8-
7
8
5
4
3
-2-
+
-8-7-6-5-4-3-2-1
1 2
3
-1
2
-
°
4
-5
-
-8
2. Write a system of linear equations in slope-intercept form has exactly one solution at the
point (3, 4), such that both lines have negative slope (but neither one has slope of 1).
Also write your system of equations with
both equations written in standard form
without any fractions.
B
0
5
4
3
-2
1
-8-7-6-5-4-3-2 -1
12
3
-1
2
-3
-5
6
-7
-8
4. Write a system of linear equations in slope-intercept form that has no solution, such that
(3, 4), and (3,8) are solutions to the first equation, and (0, 4) is a solution to the second
equation.
Also write your system of equations with both
equations written in standard form with out any
fractions
B
0
5
4
3
-2
+
-8-7-6-5-4-3-2
-1
|-
1 2 3
-1
2
-3
4
-5
6
-7
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