Production Function -What Is the MPP of Using 4 Units of Input

question 43

Multiple Choice

Production Function.
Below is the production function for an agribusiness firm, where X is the input, and Y is the output.
$\begin{array}{llll}\underline{\mathrm{X}} & \underline{\mathrm{Y}} & \underline{\text { APP }} & \underline{\mathrm{MPP}} \\0 & \underline {\quad} & -- & -- \\1 & 10 & \underline {\quad} & 10 \\2 &\underline {\quad} & 15& \underline {\quad} \\3 & 45& \underline {\quad} & 15 \\4 & 50 &\underline {\quad} & \underline {\quad} \\5 & 45 &\underline {\quad} & \underline {\quad} \\6&\underline {\quad} &6&-9\end{array}$
-What is the MPP of using 4 units of input?

• A) 5
• B) 0
• C) 10
• D) -10

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