f(x) = 5+√(2+7x)
since the root is never negative, f's minimum value is f(-2/7) = 5
since f(x) increases, the range is [5,∞)
What is the range of 𝑓(𝑥)=5+√2+7x?
**the 2+7x is entirely under radical**
2 answers
thank you