 # Question: The function of the form x = acost ; y = bsint

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A: Odd function
B: Explicit function
C: Parametric function
D: Even function Hamyal
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# Question: If the degree of a polynomial function is 1, then it is

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A: Identity function
B: Constant function
C: Linear function
D: Exponential function Hamyal
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# Question: The quantity which is used as a variable as well as constant is called

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A: Parameter
B: Constant
C: Real Number
D: None of these Hamyal
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# Question: The graph of 2x − 10 = 0 is a line

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A: Parallel to x − axis
B: Parallel to y − axis
C: inclined at angle θ
D: None Hamyal
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# Question: If f: X → Y is a function then the subset of Y containing all the images is called :

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A: Domain of f
B: Range of f
C: Co domain of f
D: Subset of X Hamyal
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# Question: f(x) = ax + b with a ≠ 0 is

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A: A linear function
C: A constant function
D: An identity function Hamyal
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# Question: The inverse of a function exists only if it is

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A: an into function
B: an onto function
C: (1-1) and into function
D: None of these Hamyal
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# Question: If f(x) = 2x + 3, g(x) = x power 2 − 1 , then (gog)(x) =

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A: 2x power 2 − 1
B: 4x power 2 + 4x
C: 4x + 3
D: x power 4 − 2x power 2 Hamyal
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# Question: If f(x) = 2x + 3, g(x) = x power 2 − 1 , then (fof)(x) =

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A: 2x power 2 − 1
B: 4x power 2 + 4x
C: 4x + 3
D: x power 4 − 2x power 2 Hamyal
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# Question: If f(x) = 2x + 3, g(x) = x power 2 − 1 , then (gof)(x) =

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A: 2x power 2 − 1
B: 4x power 2 + 4x
C: 4x + 3
D: x power 4 − 2x power 2 Hamyal
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# Question: If f(x) = 2x + 1 , g(x) = x power 2 − 1 , then (fog)(x) =

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A: 2x power 2 − 1
B: 4x power 2 + 4x
C: 4x + 3
D: x power 4 − 2x 2 Hamyal
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# Question: The function , f(x) = Sinx + Cosx is

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A: Even
B: Odd
C: Neither
D: None of these Hamyal
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# Question: The function , f(x) = 3x power 4 + 7 − 3x power 2 is

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A: Even
B: Odd
C: Neither
D: None of these Hamyal
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# Question: x = aCosθ , y = aSinθ are parametric equations of

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A: Circle
B: Parabola
C: Ellipse
D: Hyperbola Hamyal
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# Question: x = at power 2 , y = 2at are the parametric equations of

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A: Circle
B: Parabola
C: Ellipse
D: Hyperbola Hamyal
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# Question: x power 2 + xy + y power 2 = 2 is an example of

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A: Linear function
C: explicit function
D: Implicit function Hamyal
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# Question: If x = a y , then y = loga x is called logarithmic function if

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A: a < 0
B: a > 0
C: a = 0
D: a > 0 , a ≠ 1 Hamyal
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# Question: If y = cosecx , domain = {x|x ∈ R, x = nπ , n integer} then range is

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A: y ≥ 1, y ≤ −1
B: y ≤ 1, y ≥ −1
C: y < 1, y > −1
D: all real numbers Hamyal
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# Question: If y = cotx , domain = {x|x ∈ R, x = nπ , n integer} then range is

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A: y ≥ 1, y ≤ −1
B: y ≤ 1, y ≥ −1
C: y < 1, y > −1
D: all real numbers Hamyal
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# Question: The linear function f(x) = ax + b is identity function if

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A: a ≠ 0, b = 1
B: a = 1, b = 0
C: a = 1, b = 1
D: a = 0 Hamyal
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# Question: The domain and range of identity function , I: X → X is

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A: X
B: +iv real numbers
C: –iv real numbers
D: integers Hamyal
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# Question: The graph of linear equation is always a

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A: Straight line
B: parabola
C: circle
D: cube Hamyal
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# Question: If a graph express a function , then a vertical line must cut the graph at

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A: One point only
B: Two points
C: More than one point
D: No point Hamyal
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# Question: If f(x) = x / x power 2 - 4 then domain of f is

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A: R
B: R - { 0 }
C: R - { +-2 }
D: Q Hamyal
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# Question: If f(x) = x power 2 then the range of f is

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A: [0,∞)
B: (-∞, 0]
C: (0, ∞)
D: None of these Hamyal
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# Question: The term Function was recognized by______ to describe the dependence of one quantity to another.

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A: Lebnitz
B: Euler
C: Newton
D: Lagrange Hamyal
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# Question: When we say that f is function from set X to set Y, then X is called

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A: Domain of f
B: Range of f
C: Codomain of f
D: None of these Hamyal
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# Question: If f(x) = x power 2 − 2x + 1 , then f(0) =

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A: -1
B: 0
C: 1
D: 2 Hamyal
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# Question: The notation y = f(x) was invented by

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A: Lebnitz
B: Euler
C: Newton
D: Lagrange Hamyal
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# Question: cosechx is equal to

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A: 2 / e x +e −x
B: 1 / e x −e −x
C: 2 / e x −e −x
D: 2 / e −x +e x Hamyal