C-09-Q150mediumsingle_mcqGiven f(x)=3x+2f(x) = 3^{x+2}f(x)=3x+2 and g(x)=22x+1g(x) = 2^{2x+1}g(x)=22x+1. The domain of f(x)f(x)f(x) is:a(0,∞)(0, \infty)(0,∞)bRRRc(−∞,0)(-\infty, 0)(−