the profit of a cell phone manufacturer is found by the function y=-2x^2+108x+75, where x is the price of a cell phone. What will the maximum profit be

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.