College Algebra
f-1(x) = [(lnx) +15]/2; Domain: (0, ∞); Range: (-∞, ∞)
f-1(x) = [(lnx) -15]/2; Domain: (0, ∞); Range: (-∞, ∞)
f-1(x) = [(lnx) +15]/2; Domain: (-∞, ∞); Range: (0, ∞)
f-1(x) = [(lnx) -15]/2; Domain: (-∞, ∞); Range: (0, ∞)