Determine whether the ratios are proportional 7/35 and 35/70
1 answer:
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Answer:
14
Step-by-step explanation:
f(x)=
g(x)=x-2
(f+g)=
(f+g)=
(f+g)(2)= = 14
Answer:
the maximum height of the ball= 256 feet
7 seconds
Step-by-step explanation:
The quadratic function h ( t ) = − 16t^2 + 96t + 112 models the ball's height about the ground, h ( t ) , in feet, t seconds after it was thrown.
a= -16 , b= 96 and c= 112
To find maximum height , we find vertex
Now plug in 3 for 't' in h(t)
Hence vertex is (3, 256)
the maximum height of the ball= 256 feet
(b) when the ball hits the ground then height becomes 0
so we plug in 0 for h(t) and solve for t
Apply quadratic formula
Plug in all the values a= -16 , b= 96 and c= 112
t= -1 and t= 7
time cannot be negative. So it will take 7 second to hit the ground.