Use the first derivative test and the second derivative test to determine where each function is increasing, decreasing, concave up, and concave down. y = (2x - 1) , XER A. I he function Is increasing on ( - co,00 ) . (Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Simplify your answer.) B. The function is not increasing on any interval. Select the correct choice below and, if necessary, fill in the answer box within your choice. O A. The function is decreasing on (Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Simplify your answer.) B. The function is not decreasing on any interval. Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The function is concave up on. your answer.) (Type your answer in interval notation. Use integers or fractions for any numbers in the expression. Simplify O B. The function is not concave up on any interval. Clear all