Find an antiderivative for each function. Do as many as you can mentally. Check your answers by differentiation. a. 8x7 c. x²-2x-35 b. x² a. The antiderivative of 8x7 is (Use C as the arbitrary constant.) b. The antiderivative of x² is (Use C as the arbitrary constant.) c. The antiderivative of x² -2x-35 is (Use C as the arbitrary constant.)