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Functions Flashcards

(12 cards)

1
Q

What is a function?

A

A function is a relationship in which values of a dependent variable are determined by the values of one or more independent variables. (F)

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2
Q

Importance of functions in the business world

A

Functions are important in the business world because they establish relationships amongst various business variables which facilitates their control for achieving organizational objectives.

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3
Q

What are polynomial functions

A

A polynomial function is a function with only one independent variable and involves only positive integer exponents

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4
Q

What is a 1st degree polynomial?

A

a linear function whose highest power is 1, that is of the general form
y = a+bx

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5
Q

What is 2nd degree polynomial?

A

It is a quadratic function whose highest power is 2
y = a + b1x + b2x2 (where b2 ≠ 0)

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6
Q

What is 3rd degree polynomial?

A

It is a cubic function whose highest power is 3.
y = a + b1x + b2x2 + b3x3(where b3 ≠ 0).

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7
Q

What are multivariate functions?

A

These are functions with more than one independent variable
2x-y=2
4x + 3y - 4z = 14

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8
Q

What are logarithmic functions?

A

These are functions whose at least one term as the independent variables has a logarithm.

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9
Q

What are exponential functions?

A

These are functions whereby the independent variable is at least part of an exponent or power.

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10
Q

what is a continuous function?

A

It is one which the values of a dependent variable are defined for all values of the independent variable

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11
Q

What is a discrete function

A

A discrete function is a function whose dependent variable is defined only for particular values of the independent values

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12
Q

What is a step function?

A

These are functions which take a constant value for a given range of activity

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