pbenavid9849
29.01.2020 •
Mathematics
Aball is thrown upward from the top of a building. the function below shows the height of the ball in relation to sea level, f(t), in feet, at different times, t, in seconds:
f(t) = −16t2 + 32t + 90
the average rate of change of f(t) from t = 4 seconds to t = 6 seconds is : blank: feet per second.
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Ответ:
f ( 4 ) = -16· 4³+32·4+90=-256+128+90= -38
The average rate of change: [f(t2)-f(t1)]/ t2-t1=
[-294-(-38)] / (6-4) = -256 : 2 = -128 feet/s
Ответ:
The equation is y=4/3x+4
Step-by-step explanation: