Over which interval is the graph of the parent absolute value function f(x) = |x| | decreasing ? (- infty, infty) (- infty,0) (- 6, 0) (0, infty)

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.