please answer questions 4 and 5

14. The function y= food has derivative dy/ Jx = (x+ 2)5 ( x - 1) ( x - 4 ). find the intervals on which y = foxs is increasing Grice your answer using interval notation. Use infinity for Do and U for union BJ. The function y= fox) has derivative dylax = (xx+ 3) 2 (x- 1) ( x - 9). find the intericeds on which y= two is increasing Brive your answer wing interval notation. Use. infinity for as and U Per union