1. The function f: [0, R defined by f(x) = cos((x) is one-to-one. O True O...

    

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1. The function f: [0, →R defined by f(x) = cos((x) is one-to-one. O True O False 2. If f(x) = 3x + 2 and g(x) = |x-2|. then (f o g)(x) = %3D o 31x - 2| +2 o 13x| |3x] o (3x +2)(|x - 2|) o 13x - 4| For the function f(x) = x² - 1. then f([-1, 2]) = [-1,3]. O True O False 3. 4. The relation f ((x,v) ENXN: y = 2x2 - 1) is a function with domain N- True False 1. The function f: [0, →R defined by f(x) = cos((x) is one-to-one. O True O False 2. If f(x) = 3x + 2 and g(x) = |x-2|. then (f o g)(x) = %3D o 31x - 2| +2 o 13x| |3x] o (3x +2)(|x - 2|) o 13x - 4| For the function f(x) = x² - 1. then f([-1, 2]) = [-1,3]. O True O False 3. 4. The relation f ((x,v) ENXN: y = 2x2 - 1) is a function with domain N- True False