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  • Class 12 Maths Study Material

Digitization help student to explore and study their academic courses online, as this gives them flexibility and scheduling their learning at their convenience. Kidsfront has prepared unique course material of Maths Applications of Derivatives for Class 12 student. This free online Maths study material for Class 12 will help students in learning and doing practice on Applications of Derivatives topic of Class 12 Maths. The study material on Applications of Derivatives, help Class 12 Maths students to learn every aspect of Applications of Derivatives and prepare themselves for exams by doing online test exercise for Applications of Derivatives, as their study progresses in class. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material and loads of Class 12 Maths Applications of Derivatives exercise prepared by the highly professionals team. Students can understand Applications of Derivatives concept easily and consolidate their learning by doing practice test on Applications of Derivatives regularly till they excel in Maths Applications of Derivatives.


Applications of Derivatives
The rate of change of demand with respect to price is called ____________ .

a) Derivative
b) Differentiation
c) Integration
d) Limits



Answer
Correct Answer Is : Differentiation
Solution Is :
If the function f(x) is ______________ at x = c, then f`( c ) > 0.

a) Increasing
b) Decreasing
c) Both 1 and 2
d) None



Answer
Correct Answer Is : Increasing
Solution Is :
If the function f(x) is ______________ at x = c, then f`( c ) < 0.

a) Increasing
b) Decreasing
c) Both 1 and 2
d) None



Answer
Correct Answer Is : Decreasing
Solution Is :
Demand function D = f (P) , marginal demand Dm = ___________ .

a) DD / dP
b) DS / dP
c) DC / dP
d) All of these



Answer
Correct Answer Is : DD / dP
Solution Is :
Total cost function D = f (P) , marginal cost Cm = ___________ .

a) DD / dP
b) DS / dP
c) DC / dP
d) All of these



Answer
Correct Answer Is : DC / dP
Solution Is :
Supply function S = g (P) , marginal supply Sm = ___________ .

a) DD / dP
b) DS / dP
c) DC / dP
d) All of these



Answer
Correct Answer Is : DS / dP
Solution Is :
True or false: the price of elasticity of demand is referred as "Elasticity of demand".

a) TRUE
b) FALSE
c) Maybe
d) None of these



Answer
Correct Answer Is : TRUE
Solution Is :
The price of elasticity of demand is denoted by ?

a) ∊
b) η
c) E
d) E(D)



Answer
Correct Answer Is : η
Solution Is :
The elasticity of demand is given by η =

a) ((-P/D).(dD/Dp))
b) ((P/D).(dD/Dp))
c) ((P/D)/(dD/Dp))
d) ((-P/D)/(dD/Dp))



Answer
Correct Answer Is : ((-P/D).(dD/Dp))
Solution Is :
If η = 0, it means the demand D is ____________ .

a) Constant function of price
b) Relatively inelastic
c) Exactly proportional to the price
d) Relatively elastic



Answer
Correct Answer Is : Constant function of price
Solution Is :

Preparation for Exams

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