The answer is 6. To answer this you would need to do 16.5/11 to get 1.5 (that's how much the rectangle got enlarged). Then you would do 4 times 1.5 to get your new height size, which is 6.
Here's the equation for one year:
0.0129(680) + 680
But because it is 3 years:
3(0.0129(680)) + 680
0.0387(680) + 680
We can make it simpler:
1.0387(680)
Multiply:
706.316
We can round up:
She will have $706.32, and earn $26.32
F(x)= 0.02x^2 + 0.08x + 30.6
so for f(0) all that means is where you see x plug 0 for x..
f(0)= 0.02(0)^2+ 0.08(0) + 30.6
f(0)= 30.6
f(4)= 0.02(4)^2 + 0.08(4) + 30.6
f(10)= 0.02(10)^2 + 0.08(10) + 30.6
attached are calculated answers
<em>The answer you are looking for is: </em>
<em>a= 247.75

</em>
<em>hope that helps!! </em>
<em>Have a wonderful day!!</em>