After Determining Whether the Variation Model Below Is of the Form

question 33

Multiple Choice

After determining whether the variation model below is of the form $y = k x$ or $y = \frac { k } { x }$ ,find the value of k. $$\begin{array} { | c | c | c | c | c | c | } \hline x & 154 & 161 & 168 & 175 & 182 \\\hline y & 66 & 69 & 72 & 75 & 78 \\\hline\end{array}$$

• A) \(k = 7\)
• B) \(k = \frac { 7 } { 3 }\)
• C) \(k = \frac { 1 } { 7 }\)
• D) \(k = \frac { 3 } { 7 }\)
• E) \(k = \frac { 7 } { 66 }\)

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