The answer is A. See the photo below:
Answer:
r(n)=3n-1
Step-by-step explanation:
Answer:
x = 5
Step-by-step explanation:
because the log is base 2 you can remove the log by raing 2 to the power of each side:

the 2 and log2 cancel leaving:

this means we can now solve through simple algebra:

The gcf is 3 the lcm is 48 :^)