Question : 93) f(x, y) = ex+y A) All (x, y) ≠ (0, : 1757190

93) f(x, y) = ex⁺y

A) All (x, y) ≠ (0, 0) B) All (x, y) satisfying x + y ≥ 0

C) All (x, y) in the first quadrant D) All (x, y)

94) f(x, y) = xy/x + y

A) All (x, y) B) All (x, y) such that x ≠ - y

C) All (x, y) ≠ (0, 0) D) All (x, y) such that x ≠ y

95) f(x, y) = tan (x + y)

A) All (x, y) ≠

B) All (x, y) such that x + y ≠ (2n + 1)π/2, where n is an integer

C) All (x, y)

D) All (x, y) ≠ (0, 0)

96) f(x, y) = x - y/2x² + x - 6

A) All (x, y) such that x ≠ 3/2and x ≠ -2 B) All (x, y)

C) All (x, y) such that x ≠ 0 D) All (x, y) satisfying x - y ≠ 0

97) f(x, y) =

A) All (x, y) B) All (x, y) such that 9x + 6y ≥ 0

C) All (x, y) such that 9x + 6y ≠ 0 D) All (x, y) such that x + y ≥ 0

98)

A) 4 B) 3 C) 9 D) 10

99)

A) -5 B) 7/2 C) 5 D) -7

100)

A) 0 B) ln 5 2 C) ln 2 D) ln 25