1. Multiplying an even function to an odd function results in an even function?(true/false)

2. The domain of y=square root x²+1 is:

3. The equation y=x is afunction?(True/False)

4. A function has an inverse if and only if it is one -to -one?(True/False)

5. A function f is said to be an even function if f(-x)=f(x) ?

6. The graph of an odd function is symmetric about the x-axis? (True/False)

7. A curve that crosses the x-axis at two different points cannot be the graph of a function?(True/False)

8. The range of the function y=l x+1l is all positive real numbers?(True/False)