Question # 1

Relation between two numbers or variables are called.

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Function

Binary relation

Inverse relation

None of the above

The function y = 2x + 1 and x = 1/2 y - 1/2 are said to be.

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Non linear functions

Inverse functions

Step functions

All the above

Given the demand and supply cautions qo = -8p + 2000 and qs = 12 p - 200 respectively the equilibrium price.

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p = 100

p = 110

p = 120

p = 140

a possible use in encomia's for the circle or the ellipse is to model.

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Production possibility curve

Demand cuve

Isocost liine

Supply curve

A mathematical statement setting two algebraic expressions equal to each other is called.

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Equations

Hypothesis

Inequality

All of above

If any equation involving two variables, such as y -=2x + 1, the variable that appears on the right hand side of the equation is by convention called.

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Dependent variable

independent variable

Endogenous variable

Explained variable

If A and B are symmetric matrices, then A +B is

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Symmetric

Non symmetric

Skew symmetric

Non skew symmetric

If two sets contains the same number of distinct elements but not the same elements are called.

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Pie diagram

Venn diagrams

Histogram

Ogives

A set containing only one element is termed as

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Unit set

Singleton set

Both a and b

None of these

If a Set C contain all the elements which are present in both the set A and B then set C is called.

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Union of A and B

Intersection of A and B

Complement of A

Complement of B

The associative law of union is

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AU (BUC= (AUB)

U C

AUB = BUA

BUC = BUA

The set of 'stars in the sky' is an example of

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Countable set

Infinite set

Finite set

unit set

If a consumer's budget constraint is given as P, X,+ Py Y = B thent he absolute slope of the budget line is.

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B

x/y

P/Py

None of these

Union of A and the universal set is

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A

A'

Universal set

None of these

A variable which is free to take any value we choose to assign to it is called.

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Dependent variable

Independent variable

Endogenous variable

Explained variable

The increase in dependent variable that results when the independent variable increases by one unit in a simple lines. function is called.

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Y intercept of the curve

Slope of the curve

X intercept of the curve

Marginal value

The value of the dependent variable where the graph cuts the y-axis is called.

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X - intercept

Y- intercept

Slope

None of these

The slope of a horizontal line is.

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One

Zero

Three

two

An equation in which all variables are raised to the first power is known as.

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Linear equation

Non linear equation

Quadratic equation

Polynomial of degree two

Union of A with B is same as union of B with A, that is AUB = BUA is termed as

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Associative law of union

Cumulative law of union

Reflective law

All the above

Given the demand function qo = -8p +2000 and tis inverse p = -1/8 qo + 250 ,p in the inverse function which is interpreted as the maximum price that buyers are willing to pay for the.

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Supply price

Demand price

Equilibrium price

Reserved price

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