# Mathematics MCQS for class 12 with Answers Chapter 1

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If x = ey, then y = logeX= ln x, is known as the _____________ of x
None of these
Exponential
Natural logarithmic
Common lagarithmic

Let f(x) = x3+ sin x, then f(x) is
An even function
Neither even nor odd
A constant function
An odd function

For any set X, a function 1 : X
None of these
Linear function
An identity function

A function is a rule relating to:
Determinants
Sets
Matrices
Vectors

If f(x) = cos x, then f(0) = ?
0
-1
-0.5
1

Let f(x) =4 – x, g(x) = 2x + 1, then gof (x) =
5 – x
9 + 2x
9 – 2x
7 – 2x

f(x) is odd function. if and only if
f(-x) = -f(x)
f(x) =3f(-x)
f(-x) = f(x)
f(x) = -3f(-x)

Which one is an implicit function
y = f(x)
xy + xy2+ x2+ y = 2
y = x2+ 1
x3+ x2+ x + 1 = y

f(x) = sin x + cos x is __________ function
Odd
Composite
Even
Neither even nor odd function

If a variable y depends upon a variable x in such a way that each avlue of x determines exactly one value of y, then we say that:
x is a function of y
y is a function of x
y is a function y
x is function x

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