C programing

Problem $2$: $(10$ pts$)$

Write a function named "numRoots" that accepts three values $($a$,$ b$,$ c$)$ of type double as parameters and returns an integer value. $($Only a function, no main program$)$ The function should evaluate the term $(b^2-4ac)$ and return an integer as follows:

If $(b^2-4ac)$ is positive then return $2.$

If $(b^2-4ac)$ is zero then return $1.$

If $(b^2-4ac)$ is negative then return $0.$