manhattanreave manhattanreave

09-01-2018
Mathematics

contestada

s(t)=t^2-4t-12 please help find t

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altavistard altavistard

13-01-2018

You can't ... unless you set s(t) = to some value and then solve the resulting equation for t.

Suppose t^2-4t-12 = 0. This can be factored: (t-6)(t+2) = 0.
Then t=6 and t=-2.

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