Calculate the derivative of the function. HINT [See Example 1(d).] f(x) = 1-2x + 51 f ' ( x) =Calculate the derivative of the function. f ( x ) = 5x + x2 f' (x) =Calculate the derivative of the function. HINT [See Example 1.] 1 f (x ) = 5x - 3 f' ( x) =Calculate the derivative of the function. HINT [See Example 1.] f(x) = (2x - 1)-2 f' ( x ) =\fCalculate the derivative of the function. HINT [See Example 1(d).] f(x) = |4x - 81 f ' ( x ) =