ECAT Mathematics Chapter 17 online mcq test with answers for chapter 17 (Functions and Limits)

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Sr. #	Question	Answer
1
2		A. 3/4 B. r C.v D. None of these
3	If f(x) = x²-x then f(0) is	A. 0 B. 1 C.2 D. 3
4	The value of x which is unchanged by the mapping in the function defined by f ; x⟶ x² + 5x -5 for x> 0 is	A. 1 B. 5 C.-5 D. -1
5	The only function which is both even and odd is	A. f(x) =α B. f(x) = x C.f(x) =0 D. Both A & B
6	Express the perimeter P of square as a function of its area A?	A. P = 4√A B. P =√A C.P = 2A D. P =π√A
7	p(x) = 2x⁴- 3x³+ 2x - 1 is polynomial of degree	A. 1 B. 2 C.3 D. 4
8
9	f(x) = 3x/x² + 1 is:	A. an even function B. an odd function C.an even and implicit function D. neither even nor a odd
10
11		A. 0 B. 1 D. -1
12	The function discontinuous at x = 0 is (1) tan x (II) cot x (III) sec x (iv)cosec x)	A. I & III B. I & IV C.II & IV D. II & III
13	f(x) = ax + b will be a constant function if	A. a = 1 , b = 1 B. a = 1 , b = 0
14	x = secθ,y = tanθ are the parametric equations of	A. Circle B. Hyperbola C.Ellipse D. parabola
15		A. 0 B. 1 C.-1 D. none of these
16		A. sin h x B. cos h x C.tan h x D. cot h x
17		A. 0 B. 1 C.2
18	Every relation, which can be represented by a linear equation in two variables, represents a	A. Relation B. Cartesian product C.Function D. Graph
19	If f(x) = (-x)²then f(-2) is	A. 0 B. 2 C.-4 D. 4
20	An even function is symmetric about the line	A. y = x B. x = 0 C.y = -x D. y = 0
21	If f(x) = x³- 2x²+ 4x -1 then f(0) is	A. 0 B. 1 C.-1 D. none of these
22		A. range of f B. domain of f C.both (a) and (b) D. none of these
23	Inverse of the function y-10x is	A. y=logx B. y=lnx C.x=10y D. x=10y
24		A. One-one but not onto B. One-one and onto C.Onto but not one-one D. Neither one-one nor onto
25	tan h x = _________
26	If f(x) = x²then f(0) is	A. 0 B. 1 C.2 D. none of these
27
28		A. 0 B. 1 C.1/2
29	If f(x) = x³- 2x²+ 4x -1, then f(-2) = ?	A. 0 B. -25 C.5 D. 45
30	A rule or correspondence that assigns to each element x in X a unique element y in Y is called a function from	A. X to X B. X to Y C.Y to X D. none of these