The graph of the function
is
- concave upward, when

- concave downward, when

Find 
1.

2.

Now:
1. when
the graph of the function is concave upward and this is for

2. when
the graph of the function is concave downward and this is for

It’s 10077 because it’s hey
Answer:
y = (3x)/10
Step-by-step explanation:
quotient = divide
Answer:
It would be 5.5
for a better understanding, look it up on google
Bob charges $140
Andy charges $135
Andy is cheaper