Answer:
yes, it is a function
Step-by-step explanation:
this is a linear equation. If you graph it out it will pass the vertical line test.
Answer:
Step-by-step explanation:b
No real roots. Roots will have imaginary numbers. This means the quadratic is either always above the axis, or always below.
One real root. The graph touches the x
-axis in one place. →
Two real roots. The graph crosses the x
-axis twice.
Answer:
This is impossible to answer, unless there is a picture that is not there.
Step-by-step explanation:
Use the formula H= V/ pi r