Find the critical numbers the intervals on which f x is

Last updated: 6/30/2023

Find the critical numbers the intervals on which f x is increasing the intervals on which f x is decreasing and the local extrema Do not graph f x 3x 147 X Select the correct choice below and if necessary fill in the answer box to complete your choice A The critical number s is are 7 7 Type integers or simplified fractions Use a comma to separate answers as needed OB The function has no critical numbers Select the correct choice below and if necessary fill in the answer box to complete your choice A The function is increasing on 7 x x 7 Type your answer in interval notation Type integers or simplified fractions Use a comma to separate answers as needed