PrincessIndia
12.02.2021 •
Mathematics
What is (f + g)(x)?
f(x) = x2
g(x) = -x + 4
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Ответ:
We are given the equation:
h = 22,000 – 480 t
where h is height . The plane will land when h = 0, therefore:
0 = 22,000 – 480 t
480 t = 22,000
t = 45.83 minutes
hence the plane will land after 45.83 minutes