Answer:
-3 and 1
Step-by-step explanation:
Zeros of a function are usually the points the graph touches on the x axis.
It's C = 80h + 50. Umesh gets 80$ per hour(80 * h), plus 50 per job, no matter how much time he spends on it.
Answer: A+P=11, 0.60A+0.35P=5.60
I think it's because if you can't caculate it or you want a rough answer you can estimate. For example you are estimating the height of a tall building. You would just want to estimate it first.
Answer: no
Step-by-step explanation: lma0