SHAGUFTAUSMAN07GO SHAGUFTAUSMAN07GO Mathematics Answered For which of the following increasing functions f does (f-1)'(20) = 1/5A f(x)= x + 5 B f(x) = x^3 + 5x + 20 C f(x) = x^5 + 5x + 14 D f(x)= e^x+ 5x + 19