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Mathematics > Relations and Functions > Learn Functions

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Answered on 22/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Find the value of x and y, if (2x, x + y) = (6, 2)?

Chandan Singh

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2x=6 x=3, Now x+y=2 3+y=2 y=-1. Hence x=3 y=-1
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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Is the given relation a function: h = {(4, 6), (3, 9), (-11, 6), (3, 11)}? Given reasons for your answer

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Is f and g are real functions defined by f(x) = square of x + 7 and g(x) = x + 5?

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Let f and g are two real valued functions defined as f(x) = 2x + 1, g(x) = square of x + 1, then find f + g?

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Express the following functions as set of ordered pairs and determine their range, f: X - R, f(x) =...
Express the following functions as set of ordered pairs and determine their range, f: X - R, f(x) = cube of x + 1, where X = {-1, 0, 3, 9, 7}?

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Find the values of x for which the functions: f(x) = 3 cube of x - 1 and g(x) = 3 + x are equal?

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Is g = {(1,1), (2, 3), (3, 5), (4, 7)} a function? Justify. If this is described by the relation, g(x)...
Is g = {(1,1), (2, 3), (3, 5), (4, 7)} a function? Justify. If this is described by the relation, g(x) = ax + b, then what is the values of a and b?

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Find the domain of the function: f(x) = x (modulus of x)?

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Find the range of the functions given by: f(x) = 1 + 3 angle cos (2x)?

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Asked on 03/11/2016 Learn Functions +2 Mathematics Class IX-X Tuition

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Redefine the function f(x) = modulus of (x - 2) + modulus of (2 + x), -3 < x < 3?

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