Answer:
The first graph.
Step-by-step explanation:
When there is a negative discriminant, we call this "no solution" or "no real solution" because there are no x-intercepts. In the first graph, there are no x-intercepts.
Tip: $9.36 Total: $61.36
Explanation:
52 x 18%
= 52 x 0.18
= 9.36
9.36 + 52 = 61.36
The answer is C i.e an=4n-7
20 mails in 1/4 day (0.25 day)
-> 1 day = 20/0.25 = 80 emails