The program recommends a constant intensity for 3 visits, increasing intensity over 3 visits, and then decreasing intensity for 3 visits before restarting the pattern. which sets of values could be the intensities of amber's exercise during the fourth, fifth, and sixth visits? a) 63%, 63%, 63%b) 66%, 69%, 72%c) 66%, 62%, 58%d) 67%, 67%, 67%e) 63%, 65%, 67%f) 67%, 72%, 77%