3. The function f(x) = -3x³ is a. Increasing over the entire domain b. Decreasing over the entire domain c. Increasing over (-∞, 0) and decreasing over (0,00) d. Decreasing over (-∞, 0) and increasing over (0, ∞) 4. The function g(x) = 3(x − 1)(x + 1)² (x)³ changes sign at a. x = -1, x = 0 and x = 1 b. only at x = -1 and x = 1 c. d. only at x = 0 and x = -1 only at x = 0 and x = 1

Q: and

A: We will find the value of x.

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A: The Newton interpolation polynomial are calculated as: \

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A:

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Q: where is the 250 coming from?

A: (2)  Let X denote the body temperature of a healthy adult follows a Normal distribution with a mean…

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A: ∫α f(x)=α∫f(x) ; where 'α' is the constant. ∫eaxdx =1aeax+C

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A: