A football is kicked and follows the path of a parabola for 8 seconds until it lands.At which time would the football's height b e neither increasing or decreasing?
1 answer:
Since a parabola is a function that is at the same height at two point except one that is in the middle. so the middle value is 4 and would be the max height.
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(f+g)(x)=f(x)+g(x)=3x+1+x²-6=x²+3x-5
Answer:
let W and R represent white toothpaste and red toothpaste represently
n(W)=143
n(R)=135
n(WnR)=70
n( WuR)=?
Now,
n(WuR)=n(W)+n(R)_n(WnR)
=143+135_70
=208
that's all don't forget to write therefore.
See photos for solutions and steps :)
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