If an object is projected upward from ground level with an initial velocity of 128 ft per sec, then it’s height in feet after t seconds is given by s(t)=-16t^2+128t. find the number of seconds it will take to reach its maximum height. what is this maximum height ?

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step-by-step explanation:

none.

step-by-step explanation:

m

1

=

5

m1=5

b

=

−

1

b=-1

find the slope and y-intercept of the second equation.

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m

2

=

0

m2=0

b

=

−

6

b=-6

compare the slopes

m

m of the two equations.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

compare the two slopes in the decimal form. if the slopes are equal, then the lines are parallel. if the slopes are not equal, then the lines are not parallel.

m

1

=

5

,

m

2

=

0

m1=5,m2=0

i have no idea just need points sorry

step-by-step explanation:

b.

step-by-step explanation: