What is the upper bound and lower bound for (3^(n+1)/(4^(n-2)​

f(x) has value 150 at x= 0

and 0 at x= 3

so d(f(x))/dt = slope = -150/3 = -50

a reflection across the x axis and a 90 degree rotation left and right.

38 was the other number of your question.