Given:
x y
0 40
4 120
y = fixed amount + v(x)
y = 40 + v(0)
y = 40
y = 40 + v(x)
120 = 40 + v(4)
120 - 40 = v(4)
80 = v(4)
80/4 = v
20 = v
y = 40 + 20x
The fixed amount charged is 40.
The variable amount is 20 per day.
Answer:
-10/3
Step-by-step explanation:
because its a proper fraction and it can't be a mixed number
The answer is 5 i believe
Answer:

Step-by-step explanation:
hello
we need to find something like, a being real

with a so that

so the third degree polynomial that we are looking for is

hope this helps