Answer:

Step-by-step explanation:
Let
y -----> the profit earned by the hot dog stand daily
x ----> the number of hot dogs sold
we know that
The linear equation that represent this problem is equal to

This is the equation of the line into slope intercept form
where
----> is the slope
---> is the y-intercept (cost of the day's supply)
20, you just need to substitute the x value in the equation
(-2)2-7(-2)+10=
=20
Hello!
Since the function has no undefined points or domain constants the answer is all real numbers
The answer is all real numbers
Hope this helps!
75*.2=15
you would save $15
hope that helps