<p>I need help from #6-12</p><p><img alt="CSC 28 HW Relations 1. Write the following relation using a table diagram and () a. Relation R on (1, 2,3, 4) defined by (x,"
<p><img alt="n+l, if n is even 6. Consider the function f:Z- Z given by n)if /2→Zgiven by f(n) = (a) Is f injective? Prove your answer (b)" src="https://media.cheggcdn.com/media%2Fc1f%2Fc1f88adb-bd7f-4582-bda2-a51cb1b142f3%2FphpOmO9Cz.png" style="height:106px;width:558px;" aria-describedby="d3f"/></p>n+l,