Step-by-step explanation:
thr standard form for a quadratic equation is:
ax²+bx+c
in this example, a=1, b=(-1), c=(-42)
Any answer less than one would work, soothe answers are A and D
Answer: 0
Step-by-step explanation:

This could be written as

Applying L'H rule and differentiating 3 times , we have

taking the limit as x goes to infinity , we have
0
The hourly wage is approximately $26 per hour. Find out how many hours the person works per year by multiplying 40 x 50 to get 2,000 hours. Then divide 52,000 by 2,000 to get the person's hourly wage, which is $26 hours per hour.