Using the Intermediate Value Theorem, how can we prove that the equation x^(5)+x^(4)-7x³+2x²+3x+π =0 has a real solution for x?

A) By analyzing the coefficients of the equation
B) By graphing the equation and finding the x-intercepts
C) By evaluating the equation at multiple x-values and observing the sign changes
D) By applying the Rational Root Theorem and finding a rational solution