Question

For problems 14 – 21 determine all the roots of the given function.

Answer 1

GIVEN:

y(t) = t² - 3t - 40

ANSWER:

At first, we'll split the middle term.

t² - 8t + 5t - 40

t(t - 8) + 5(t - 8)

(t + 5)(t - 8).

Answer 2

What’s the problem ?