Answer:
i think the first one
Step-by-step explanation:
so to do this, you first have to look at what the x means and what the y means
the x means the time
the y means the speed
now we check the graph, from the points (1, 112) and (7, 16) does x decrease? yes it does
so we can cross out all the "increase x "choices, you could choose the answer now, but lets undertstand
when x decreases y also decreases. you can know because when x is 1 y is 112 but when x is 2, y is 96
The slope in this equation is 20. This represents the monthly fee. Every month u go, u pay 20 bucks
X= 1.20*194
since percents are out of 100, 120/ 100= 1.20
x= 232.8
I think it’s A)-0.15 if it’s incorrect I’m sorry!!
Answer:
2s or 3s
Step-by-step explanation:
Given the function that models the height of the object as;
h(t) = - 16t^2 + 80t + 96
The ball reaches the ground when h = 0
Substitute
0 = - 16t^2 + 80t + 96
Divide through by -16
0 = t²-5t-6
t²-5t-6 = 0
t²-2t-3t+6 = 0
t(t-2)-3(t-2) = 0
(tt-2)(t-3) = 0
t - 2 = 0 and t-3 = 0
t = 2 and 3s
Hence it will take the ball 2s or 3s to reach the ground
