If the demand function is said to be inelastic, then _______.

(a)

|η_d| > 1

(b)

|η_d| = 1

(c)

|η_d| < 1

(d)

|η_d| = 0

Relationship among MR, AR and η_d is ______.

(a)

\({ n }_{ d }=\frac { AR }{ AR-MR } \)

(b)

η_d =  AR - MR

(c)

MR = AR = η_d

(d)

\(AR=\frac { MR }{ {ηd } } \)

Instantaneous rate of change of y = 2x² + 5x with respect to x at x = 2 is _________.

(a)

4

(b)

5

(c)

13

(d)

9

Profit P(x) is maximum when ________.

(a)

MR = MC

(b)

MR = 0

(c)

MC = AC

(d)

TR = AC

If f(x,y) is a homogeneous function of degree n, then \(x\frac { \partial f }{ \partial x } +y\frac { \partial f }{ \partial y } \) is equal to ________.

(a)

(n–1)f

(b)

n(n–1)f

(c)

nf

(d)

f