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Jonny13Diaz
04.12.2020 •
Mathematics
Find the interval(s) on which the function is increasing.
y = x2 - 6x - 16
I. (-LaTeX: \infty∞, 3)
II. (-LaTeX: \infty∞, -2)
III. (3,LaTeX: \infty∞)
IV. (8,LaTeX: \infty∞)
Group of answer choices
I, II
I, IV
II only
III only
Solved
Show answers
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Ответ:
step-by-step explanation:
it s given that and .
also, we know that and , therefore
hypotenuse=8, base=t and perpendicular=s.
now, using trigonometery, we have
substituting the given values, we have
which is the required value of cosy.