Find the constant of variation k for the direct variation. Mathematics Assignment Help

Find the constant of variation k for the direct variation. Mathematics Assignment Help. Find the constant of variation k for the direct variation. Mathematics Assignment Help.

Find the constant of variation k for the direct variation.

X               F(x)

0               0

2               -1

4              -2

7             -3.5


A.  k = 0

B.  k = 0.5

C.  k = –0.5

D.  k = –2

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In the figure above, AD is a diameter of the circle with center O andAO = 5. What is the length of arc BCD?

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If y = (x + 3)2, then (-2x – 6)2 must equal which of the following? Mathematics Assignment Help

If y = (x + 3)2, then (-2x – 6)2 must equal which of the following?

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The nicotine content in a single cigarette of a particular brand has a distribution with mean 0.5 mg and standard deviation 0.1 mg. If 100 of these cigarettes are analyzed, what is the probability that the resulting sample mean nicotine content will be less than 0.49? (Round all answers to four decimal places.)

P( < 0.49) =  

Less than 0.47
P( < 0.47) =  

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What are the solutions of 4×2 + x = -3?

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(A) a

(B) b

(C) c

(D) d

(E) e

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If  is defined for all postive numbers a and b by a  b = , then 10  2 =

(A) 

(B) 

(C) 5

(D) 

(E) 20

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Find the constant of variation k for the direct variation. Mathematics Assignment Help

Find the constant of variation k for the direct variation. Mathematics Assignment Help