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? check all that apply.
63%, 63%, 63%
66%, 69%, 72%
66%, 62%, 58%
67%, 67%, 67%
63%, 65%, 67%
67%, 72%, 77%