Answer:
Step-by-step explanation:
15,400 euros
Answer:
Function: 
Not Function: 
and 
Step-by-step explanation:
Given
Required
Determine if 
is a function of 
Solving x+y=9
Make y the subject of formula
<em>Hence; y is a function of x</em>
Solving
Subtract x² from both sides
Square root of both sides
This implies that
or 
<em>Because </em><em> can be any of those two expressions, it is not a function.</em>
Solving
Reorder
Take square roots
This implies that
or 
<em>Because </em><em> can be any of those two expressions, it is not a function.</em>
option 1 is not linear because it does not change by the same amount every year. It does not have a constant slope.
option 2 increases by 100 per year, constant slope, straight line, linear
-----------------------
a = A y^n
1100 =A y
1210 = Ay^2
1331 = A y^3
---------------
1210/1100 = y = 1.1
check 1331/1210 = y = 1.1 sure enough
1100 = A (1.1)
A = 1000
so
a = 1000 * 1.1^n
and the linear option 2
a = 1000+100n
You can put the numbers in for part C
10% compounded is better than 10% simple :)
Answer:
Step-by-step explanation:
Solving our equation
r = 580 / ( 1432 × 6 ) = 0.06750466
r = 0.06750466
converting r decimal to a percentage
R = 0.06750466 * 100 = 6.7505%/year
The interest rate required to
accumulate simple interest of $ 580.00
from a principal of $ 1,432.00
over 6 years is 6.7505% per year.
Answer = -4
Step-by-Step Explanation:
Given: x = 2, y = -9
Therefore, substituting the values
= 7x + 2y
= 7(2) + 2(-9)
= 14 + -18
= 14 - 18
= -4
