Name the algebraic property demonstrated in the example below: . 2 + x + y = x + 2 + y. a) commutative property of addition. b) associative property of addition. c) reflexive property. d) transitive property

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up