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JEE 2020 Mathematics : Mapping and Functions
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Question 1
Let 
be defined by 
, then f is____.
be defined by , then f is____. Question 2
If : 
is defined by 
, find 
.
is defined by , find . Question 3
Which one of the following is not correct for the features of exponential function given by f(x) = bx where b > 1?
Question 4
The range of the function ƒ(x)=sin[x], 
where [x] denotes the greatest integer less than or equal to x, is
where [x] denotes the greatest integer less than or equal to x, is Question 5
The set A = {x : 
} is equal to the set
} is equal to the set Question 6
The smallest positive divisor greater than 1 of a composite number ‘a’ is
Question 7
Let R be the set of real numbers and the mapping f(x) = 5 - x2 and g(x) = 3x - 4, then the value of (fog) (-1) is
Question 8
The function
f(x) = sec
is
f(x) = sec
isQuestion 9
The image of the interval [–1, 3] under 
is
isQuestion 10
If f(x) = ax + b and g(x) = cx + d then f(g(x)) = g(f(x)) is equivalent to
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Jun 12JEE & BITSAT
