The answer is d hope this helps☺️
The graph is symmetric when X=40
The revenue earned when the shovel is sold for $20 is the same when the shovel is sold for $60.
Hope this helps! :)
Irrational !! a rational number is a number such as -3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.
