0% 0 votes, 0 avg 1 Total Time: 10 minutes Your time is over! Try again. Functions Test yourself in Functions in Math Questions! You have only 10 minutes to complete the test and if you do not answer any question within the allotted time, it will be counted as incorrect. You can skip questions by clicking "NEXT" button and go back to previous questions by "PREVIOUS" button. You need to get minimum 50% marks to pass the quiz. Click on the "START" button to participate in the quiz. 1 / 30 A function is always a relation but vice versa is not true. No Yes Oops! Your answer is wrong. Wow! Your answer is correct. 2 / 30 If each element in the domain of a function has a distinct image in the co-domain, the function is said to be - Constant Function One – One Function Identical Function Onto Function Oops! Your answer is wrong. Wow! Your answer is correct. 3 / 30 Every function has - Both domain and range Both domain and codomain Domain only Codomain only Oops! Your answer is wrong. Wow! Your answer is correct. 4 / 30 A function f: R → R is defined is defined as y2 = x2 - 16. Find the range of the function f. (−∞, ∞) [-1, 1] [0, ∞) (1, ∞) Oops! Your answer is wrong. Wow! Your answer is correct. 5 / 30 Onto function is also called - Surjective Functions Injective Functions Inverse Functions Polynomial functions Oops! Your answer is wrong. Wow! Your answer is correct. 6 / 30 If x is an independent variable and y is a dependent variable. Then the function denoted by - f(x) = f(y) x = -f(y) y = f-1(x) y = f(x) Oops! Your answer is wrong. Wow! Your answer is correct. 7 / 30 If f(x) = x2 - 4x + 3, then value of f(- 1) = ? 0 -8 -1 6 Oops! Your answer is wrong. Wow! Your answer is correct. 8 / 30 Find the domain of the real-valued function: 1/ (x - 2) R+ R – {-2} R R – {2} Oops! Your answer is wrong. Wow! Your answer is correct. 9 / 30 Find the domain of the relation: S = {(2, 1), (2, 2), (3, 2), (4, 5)} {2, 3, 4,5} {2, 3, 4} {1, 2, 3, 5} {1, 2, 5} Oops! Your answer is wrong. Wow! Your answer is correct. 10 / 30 The domain of trigonometric function cosine is - (0, ∞) (1, ∞) (−∞, ∞) [-1, 1] Oops! Your answer is wrong. Wow! Your answer is correct. 11 / 30 The range of trigonometric function tangent is - (0, ∞) R - nπ R - (2n + 1)π/2 (−∞, ∞) Oops! Your answer is wrong. Wow! Your answer is correct. 12 / 30 A function f : R → R given by f(x) = 7x + 5 is - Onto Function Constant Function Identical Function One-One Function Oops! Your answer is wrong. Wow! Your answer is correct. 13 / 30 Which of the following is the inverse function of f (x) = 3x - 6? (3y - 6)/2 (y - 6)/3 3x - 6 (y - 3)/6 Oops! Your answer is wrong. Wow! Your answer is correct. 14 / 30 f(x) = x2 is – Even Function Odd function Oops! Your answer is wrong. Wow! Your answer is correct. 15 / 30 sinx is – An Even Function An Odd Function Oops! Your answer is wrong. Wow! Your answer is correct. 16 / 30 The Range of trigonometric function sine is - [-1, 1] (1, ∞) (−∞, ∞) (0, ∞) Oops! Your answer is wrong. Wow! Your answer is correct. 17 / 30 Determine the range of the function y = Log2x. [0, ∞] (-∞, ∞) (0, ∞) [-1, 1] Oops! Your answer is wrong. Wow! Your answer is correct. 18 / 30 A function is called an onto function if each element in the co-domain has at least one pre–image in the domain. Is it True? Yes No Oops! Your answer is wrong. Wow! Your answer is correct. 19 / 30 If R is a relation from the set B to C, then which is true? A ∈ A × B R ⊇ A × B R ≈ A × B R ⊆ A × B Oops! Your answer is wrong. Wow! Your answer is correct. 20 / 30 Determine the range of the real function: F(x) = | x | [-1, 1] [0, ∞] (0, ∞) [0, ∞) Oops! Your answer is wrong. Wow! Your answer is correct. 21 / 30 The domain of trigonometric function sine is - (−∞, ∞) (1, ∞) [-1, 1] (0, ∞) Oops! Your answer is wrong. Wow! Your answer is correct. 22 / 30 R = {(x, y): x ∈ A, y ∈ A and y = x + 1}, where A = {0, 1, 2, 3}. Find Range of R. {0, 1, 3} {1, 2, 3} {0, 1, 2} {0, 1, 2, 3} Oops! Your answer is wrong. Wow! Your answer is correct. 23 / 30 Trigonometric functions are also known as - Circular Functions Inverse Functions Surjective Functions Injective Functions Oops! Your answer is wrong. Wow! Your answer is correct. 24 / 30 What is the domain of the function y = 2x. (-∞, ∞) (0, ∞) [0, ∞] [-1, 1] Oops! Your answer is wrong. Wow! Your answer is correct. 25 / 30 f(x) = π is - A constant function An Identical function Oops! Your answer is wrong. Wow! Your answer is correct. 26 / 30 In a function, f(x), x represents - Input None of these Output Both input and output Oops! Your answer is wrong. Wow! Your answer is correct. 27 / 30 A domain of the function is the - Set of outputs Set of inputs Set of both input and output None of these Oops! Your answer is wrong. Wow! Your answer is correct. 28 / 30 One to one function is also called - Surjective Functions Polynomial functions Injective Functions Inverse Functions Oops! Your answer is wrong. Wow! Your answer is correct. 29 / 30 Is the following relation a function?{(-2,3), (1, -5), (2, 3), (4, -1), (-1, -3), (-2, 4)} No Yes Oops! Your answer is wrong. Wow! Your answer is correct. 30 / 30 The range of inverse trigonometric function sin-1x is - [-1, +1] (0, ∞) [0, π] [-π/2, π/2] Oops! Your answer is wrong. Wow! Your answer is correct. Please enter the required information and tap on the "See Result" button to view your results. Don't worry! Your information will be safe. For details check our Privacy Policy. Your score isThe average score is 6% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Please give a rating and share it with your friends. Send feedback