Which pair of functions are inverses?
fx) = **? and g(x) = 2x - 7
f(x) = x + 3 and g(x) = x - 3
f(x) = \x+1 and g(x) = (x + 1)3
f(x) =
2x and g(x) = 2x?

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.