Answer:
9y + 5x
Step-by-step explanation:
5y + 2y +6x +2y-x
(5 + 2 + 2)y + (6 - 1)x
9y + 5x

Look at the graph picture I attached

c is the intercept, which is why the graph crosses the y-axis at +3
to find where it crosses the x-axis, we make y = 0

D. f(x)=4 (5/2)^x
Are really good tool for graphing problems is Demos.com
That all depends what place you want it rounded to.
Rounding to the nearest tenth, it becomes 32.6 .
Rounding to the nearest whole number, it becomes, 33 .
Rounding to the nearest ten or higher order of magnitude, it becomes zero.