Let F (X) = $\frac { 1 } { x }$

question 79

Multiple Choice

Let f (x) = $\frac { 1 } { x }$ on the interval [1,2]. Let the interval be divided into four equal subintervals. Find the value of the Riemann sum $\sum _ { i = 1 } ^ { 4 } f \left( x _ { i } ^ { * } \right) \Delta x _ { i }$ if each $x _ { i } ^ { * }$ is the left endpoint of its subinterval.

• A) \(\frac { 319 } { 105 }\)
• B) \(\frac { 319 } { 420 }\)
• C) \(\frac { 533 } { 210 }\)
• D) \(\frac { 533 } { 840 }\)
• E) \(\frac { 11 } { 2 }\)
• F) \(\frac { 11 } { 8 }\)
• G) \(\frac { 13 } { 2 }\)
• H) \(\frac { 13 } { 8 }\)

Examine the elasticity of demand in relation to market structure.

Differentiate between the types of competition based on the number of firms and product differentiation.

Comprehend the significance of market power in pricing and output decisions.

Understand the concept of marginal revenue and how it is calculated.

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