Given that f(x) = 5x and g(x) = x2 +1, find f(g(x)), g(f(x)) and g(f(2)).?

f(x) = 5x
g(x) = x² +1

f(g(x))=5(x²+1)=5x²+5
g(f(x))=(5x)²+1=25x²+1

g(f(2))=25(2)²+1=4•25+1=101

f(2)=5(2)=10
g(10)=(10)²+1=100+1=101