Ratio 1:2 from boys to girls
F(0)= -4(0)+9
F(0)= 0+9
F(0)=9
(5,5), (-5,5) is a function. To be a function x
cannot be repeated.
Answer:
The domain of the expression is all real numbers except where the expression is undefined. In this case, there is no real number that makes the expression undefined.
Check the picture below.
so, as you can see, the UV segment is parallel to ZW, and therefore, they're the same slope, hmmm wait just a second, what is the slope of ZW anyway?

since now we know the ZW slope, we also know what is the slope for UV, thus,