f(x) = x² + 1, x > 0
y = x² + 1
x = y² + 1
x - 1 = y²
√x - 1 = y
√x - 1 = f(x), x > 1
<span>Truth tables are diagrams used in mathematics and logic to help describe the truth of an entire expression based on the truth of its parts.
A truth table shows all the possible combinations (outputs) that can be produced from the given inputs. They are mainly used in Boolean algebra.</span>
Answer:
It happens to me as well. Maybe check emails? It could also be a bug.
Explanation: