<h2>
Answer:</h2>

<h2>
Step-by-step explanation:</h2>
To solve this problem, we need to start with the parent function of the exponential function, which is
, where
is the base. In our problem,
, so our parent function here is
. Then, we need to perform some transformations to our parent function. Thus:
1. Vertical shrink:
A vertical shrink is a nonrigid transformation because the graph of the function get a distortion in the shape, so this transformation is as follows:
where
in this problem equals 0.25 because:

2. Vertical shift:
The graph of the function
get a vertical shift given by:

So the graph is shifted 3 units up. So the result is the graph shown above.
.04(2x)+.03(x)+.05(500+x)=2025
.08x+.03x+.05x+25=2025
.16x+25=2025
.16x=2000
x=12500
She has 2x invested at 4%, so she had $25000.00 invested at 4%.
Answer:
2.8%
Step-by-step explanation:
(7.4 - 7.2) / 7.2 =
0.2 / 7.2 =
2.7777777777778%
1/2 + 1/4= 3/4
1/2 + 1/2 = 2/4
2/4+ 1/4= 3/4