Answer: y = 20x+75
Step-by-step explanation:
Hi, to answer this question we have to write an equation:
The cost (y) must be equal to the product of the cost per hour of installation (20) and the number of hours that it takes (x); plus the fixed cost of parts and installation (75).
Mathematically speaking:
y = 20x+75
Feel free to ask for more if needed or if you did not understand something
Answer:
Answer: 9
Step-by-step explanation:

• For f(0), substitute x with zero:

Answer:
choose A
Step-by-step explanation:
f6odo6d7pfp7dp6d6p
Answer:
y=4x
Step-by-step explanation:
it goes through 0,0 on my graph
Answer:
D. X= -100
Step-by-step explanation:
5×x/5=5×(-20) (reduce and multiply)
X= -100