190mph
I used speed calculator with advanced mode
HTTP://www.omnicalculator.com/everyday-life/speed
The slope, or gradient, of the line is 6/-3 which is -2. The gradient is -2.
The function f(x) = (x)? If that is the function, then there is no retriction on the Domain?
When you line the object up against the ruler you are measuring it's side, if you put it on the one instead of the zero then you're making the object one inch longer, so you'd have to subtract the one in the end
