100 points: how do you find the derivative to solve the integral?

Me. i can't figure out this question. give an explanation too. .

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.

Select the point that is a solution to the system of inequalities. y< =-x+3 y=x^(2)-3x