how do you do the expression 64k^2-9/2

Question

find the domain and rational expression

Answer 1

y = 64 k² - 9/2

 

Put this is Graphing Form:  y = 64 (k - 0)² - 9/2

 

This is a parabola with vertex at: (0, -9/2) and opens up

 

The Domain, x-values,  would be all Real Numbers