Special Functions

IMPORTANT

Special Functions: Overview

This topic covers concepts such as linear functions, rational function, trigonometric functions, modulus function |x|, signum function sgn(x), etc.

Important Questions on Special Functions

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IMPORTANT

For any real number x, the maximum value of 46xx2 is ?

EASY
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The decision between shifting and reducing is done through a relation P C (V U {$} * (? U {$}), called a _____ where V is an alphabet; ? is set of terminals, S is the start symbol.

EASY
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If x is a negative real number, then

EASY
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The general value of   θ satisfying the equation  2sin2θ3sinθ2=0 , is

MEDIUM
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 The set of all real numbers x for which   x 2 | x+2 |+x>0, is

HARD
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 The number of solutions of   log 4 ( x1 )= log 2 ( x3 ) is –

EASY
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Consider the function fx=x-2+3-x+4-x

At what value of x does the function attain minimum value?

EASY
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Let fx=sinπ2x+cos-π2x where . is a greatest integer function

What is fπ4 equal to?

EASY
IMPORTANT

Let fx=sinπ2x+cos-π2x where . is a greatest integer function

What is fπ2 equal to?

EASY
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What is the range of the function fx=x+x if the domain is the set of real numbers?

MEDIUM
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The number of integral solution x of logx+72x-72x-320 is

MEDIUM
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Let a, b, c be the three distinct positive real numbers such that 2alogea=bclogeb and bloge2=alogec Then 6a+5bc is equal to ______.

EASY
IMPORTANT

What is logarithmic function?

MEDIUM
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Area ( in sq. units) included between y=fx=x-1+x-2 and y=3 is

MEDIUM
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Solution of inequality

logsinxlog3log0.2x<0 is

MEDIUM
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Prove that the greatest integer function defined by fx=x;  0<x<3 is not differentiable at x=1 and x=2.

MEDIUM
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Find the number of solutions of x3x=1.

EASY
IMPORTANT

Solution set of the inequality 6-x+3<2 is

HARD
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Let α, β and γ be the real solutions of 2e-x=x+1, then (where, · is the fractional part function)

MEDIUM
IMPORTANT

The graph shows in figure is exponential. Write down the equation corresponding to the graph.

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