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snow_lady [41]
3 years ago
5

Given the function below, find f(7) f(x)=-x^2+9x

Mathematics
1 answer:
sashaice [31]3 years ago
3 0

Answer:

14

f(x) = 7

-7^2 + 9(7)= -49 + 63 = 14

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Answer:

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How is domain of the function f(x)=sinx restricted so that its inverse function exists?
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Correct answer:  sin x ⇒D(x) :  [- π/2, π/2] ; sin⁻¹x ⇒ CD(x) :  [- π/2, π/2]

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In order for the function sin x to have an inverse function sin⁻¹x due to the monotony, the domain is taken D(x) :  [- π/2, π/2] and the range of sin⁻¹x  is CD(x) :  [- π/2, π/2].

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Step-by-step explanation:

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3 years ago
A manager sample the receipts of every fifth person who goes through the line. Out of 50 people,4 had a mispriced item. If 600 p
zepelin [54]
The answer is 48.

<span>Out of 50 people, 4 had a mispriced item: 50 people - 4 mispriced
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