I am sorry it’s to hard I tried this about 5x sorry bro
Answer:
Step-by-step explanation:
assuming it is 
Using Quadratic formular -
a - 1
b - 8
c - 4




Answer:
Step-by-step explanation:
Let C(x) be the cost to produce x batches of widgets, and let R(x) be the revenue in thousands of dollars.

Profit function = Revenue - cost
So we get profit function by subtracting C(x) from R(x) using algebraic method of subtraction.
Profit function of x
= 
Answer:
B. The lines AB and BC are perpendicular.
Step-by-step explanation:
If all the points are doubled on the x-axis, they are perpendicular.
hope this helps.