If f(x)=x2f(x) = x^2f(x)=x2 and g(x)=2x+3g(x) = 2x + 3g(x)=2x+3, find xxx such that f(x)<g(x)f(x) < g(x)f(x)<g(x).
x∈(−∞,−1)∪(3,∞)x \in (-\infty, -1) \cup (3, \infty)x∈(−∞,−1)∪(3,∞)
x∈(−3,1)x \in (-3, 1)x∈(−3,1)
x∈(−1,3)x \in (-1, 3)x∈(−1,3)
x∈(1,3)x \in (1, 3)x∈(1,3)