Answer:
c, d
Step-by-step explanation:
26*10= 260 total paid
260-219.98 = 40.02
It will reach its maximum height at the vertex of the parabola. Which is always:
(-b/(2a), (4ac-b^2)/(4a))
So the time when this occurs is the x coordinate, or t in this case.
-b/(2a), and b=672 and a=-16 so
t=-672/-32
t=21 seconds
Answer:
99
Step-by-step explanation:
as the same way as it is done in question
Answer:
2x-10
Step-by-step explanation:
no time to explain
2s+3<15
-3<15-3
2s<12
2 < 2
s<6