There zeros of a function mean the x-intercepts. simpler way: At what x-values does the graph of the equation intersect the x-axis.
I don't know the if the last term of your function is +1 or -1 , so I did both for you using desmos graphing calculator.
You can also use quadratic formula, and do the algebra, and see if you get the same answer.
Answer:

Step-by-step explanation:



All of the angles measure less than 90 degrees
I don’t know why the word “million” is there, but the incremental cost per unit of the secon hundred units is $30 per unit.
Answer:
-970299
Step-by-step explanation:
the cube of -99 means -99 x -99 x - 99
that is: -970299
Hope this helps