harap Di jwab plizzz

a. {-3,-2,-1,0,1,2,3}

b. {(-3^2),(-2^2),(-1^2),(0^2),(1^2),(2^2),(3^2)}={9,4,1,0,1,4,9}

c. dalam diagram cartesius:
    (x,y)={(-3,9),(-2,4),(-1,1),(0,0),(1,1),(2,4),(3,9)}