QUESTION A
The given points are
and 
The slope can be found using the formula;

We substitute the point to obtain;

This simplifies to

Therefore the slope is 5.
QUESTION 2
A positive slope indicates a rising line
A negative slope indicates a rising line
A zero slope means the line is horizontal.
An undefined slope means the line is vertical.
The correct answer is
A. The line rises from left to right.
i think the answer to this is 3.15
F(x)=2x
I would write that since x represents the weeks and we know that she watches two movies a week
It's a number that can be expressed as a fraction, the numerator and the denominator of which, are integers.