Mathematics: Over which interval is the graph of f(x) = 1/2x^2 + 5x + 6 increasing? (–6.5, ∞) (–5, ∞) (–∞, –5) (–∞, –6.5)

Over which interval is the graph of f(x) = 1/2x^2

Ответ:

kataldaine

11.01.2022

Mathematics

We will use derivative of this function:
f´(x ) = x + 5
x + 5 > 0
x > -5
The graph is increasing for x ∈ ( - 5, ∞ ).
B)

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Ответ:

leah7876

27.02.2021

Mathematics

1/8

Because each time you have a 1/2 chance of heads or tails

1/2 x 1/2 x 1/2 = 1/8

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Over which interval is the graph of f(x) = 1/2x^2 + 5x + 6 increasing?

(–6.5, ∞)
(–5, ∞)
(–∞, –5)
(–∞, –6.5)

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