neariah24
04.12.2019 •
Mathematics
Alarge explosion causes wood and metal debris to rise vertically into the air with an initial velocity of 160 feet per second. the function h(t) = 160 t − 16 t 2 160t-16t2 gives the height of the falling debris above the ground, in feet, t t seconds after the explosion.
a. use the given polynomial to find the height of the debris 2 second(s) after the explosion.
b. factor the given polynomial completely.
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Ответ:
a) The debris was 256 feet into the air after 2 seconds of the explosion.
b)
Step-by-step explanation:
We are given the following in the question:
Initial Velocity = 160 feet per second
The above function gives the height in feet and t is seconds after the explosion.
a) Height of the debris 2 second(s) after the explosion.
We put t = 2 in the above function
Thus, the debris was 256 feet into the air after 2 seconds of the explosion.
b) Factor the polynomial
Ответ:
-6+6=0
-10-(-10)=0
Step-by-step explanation:
Hope that helps!