Question

Is the equation below a function? explain
d) y2 = x2 + 5​

Answer 1

No

Explanation:

y^2 = x^2 + 5​

Rewriting

y^2 - x^2 = 5

This is a hyperbola

We can use the vertical line test to show that it is not a function since a vertical line passes through more than one point.