Answer:
Step-by-step explanation:
Because of the right angle (90 deg) in red, and the horizontal line on the bottom axis,
we know that :
49 + (1+5x) = 90
solving for x delivers x=8
Answer:
Radius = 13 m
Step-by-step explanation:
Formula for area of circle is given as:

g(f(x)) = 2
_____
The value of the argument to function g is immaterial to its result. g(x) is 2 for any value of x.