Let f(x) = 3x - 8 and g(f(x)) = 2x^5 - 5x - 3. Find g(-5).
f(x)=-5
3x-8=-5
3x=3
x=1
g(-5)=g(f(1)) = (2*1^5)-(5*1) -3 = 2-5-3 = -6
