A person purchased a $200,000 home 20 years ago by paying 20 % down and signing a 30-year mortgage at 13.2 % compounded monthly. Interest rales have dropped and the owner wants to refinance the unpaid balance by signing a new 10-year mortgage at 8.2 % compounded monthly. How much interest will refinancing save?
A person purchased a $200,000 home 20 years ago by paying 20 % down and signing a 30-year mortgage at 13.2 % compounded monthly. Interest rales have dropped and the owner wants to refinance the unpaid balance by signing a new 10-year mortgage at 8.2 % compounded monthly. How much interest will refinancing save?
A person purchased a
$200,000
home
20
years ago by paying
20
%
down and signing a 30-year mortgage at
13.2
%
compounded monthly. Interest rales have dropped and the owner wants to refinance the unpaid balance by signing a new 10-year mortgage at
8.2
%
compounded monthly. How much interest will refinancing save?
3. In the space below, describe in what ways the
function f(x) = -2√x - 3 has been
transformed from the basic function √x. The
graph f(x) on the coordinate plane at right.
(4 points)
-4
-&-
-3
--
-2
4
3-
2
1-
1 0
1
2
-N
-1-
-2-
-3-
-4-
3
++
4
2. Suppose the graph below left is the function f(x). In the space below, describe what
transformations are occuring in the transformed function 3ƒ(-2x) + 1. The graph it on the
coordinate plane below right. (4 points)
1
1. Suppose we have the function f(x) = = and then we transform it by moving it four units to the
right and six units down, reflecting it horizontally, and stretching vertically by 5 units. What will
the formula of our new function g(x) be? (2 points)
g(x) =
Chapter 3 Solutions
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences Plus NEW MyLab Math with Pearson eText -- Access Card Package (13th Edition)
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