What is the range of f(x)=x2+5f(x) = x^2 + 5f(x)=x2+5?
All real numbers
f(x)≥0f(x) \geq 0f(x)≥0
f(x)≥5f(x) \geq 5f(x)≥5
f(x)≤5f(x) \leq 5f(x)≤5