Answer:
10.5 I think
Step-by-step explanation:
the platform is 42ft so if you divide 42 by 4 you get 10.5
2.16 x 10 to the power of -4
It will have a vertical asymptote when the denominator approaches zero.
2x-6=0
2x=6
x=3
So the vertical asymptote is the vertical line x=3