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An Educational platform for Preparation and Practice Class 12. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 12. This study material help Class 12, Maths students in learning every aspect of Applications of Derivatives. Students can understand Applications of Derivatives concept easily and consolidate their learning by doing Online Practice Tests on Maths,Applications of Derivatives chapter repeatedly till they excel in Class 12, Applications of Derivatives. Free ONLINE PRACTICE TESTS on Class 12, Applications of Derivatives comprise of Hundreds of Questions on Applications of Derivatives, prepared by the highly professionals team. Every repeat test of Applications of Derivatives will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Applications of Derivatives. Attempt ONLINE TEST on Class 12,Maths,Applications of Derivatives in Academics section after completing this Applications of Derivatives Question Answer Exercise.


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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 :
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