Answer:
10 is the correct answer for this problem.
Step-by-step explanation: (apex)
x = 7.07 or 4.925
Step-by-step explanation:
3(x-6)^4+11=15
3(x-6)^4=15-11
(x-6)^4=4/3
x-6 = + or -
x= + +6 or - +6
7,8,9,10
cool question I love it