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:
-54 ft/min
Step-by-step explanation:
Find this rate of change as follows: (change in altitude) / (time).
Here, that would be -378 ft / 7 min = -54 ft/min
The first job pays 54900$ a year
The second job pays 44900$ a year
If you compare, she will make more money with the first job!
Answer:
Step-by-step explanation: