Question

f (X)=X²-3X DETERMINE F(1),F(3) (-1), F(2)-3, F(-2)

Answer 1

F(1)= 1²-3(1) =1-3= -2

F(3)=3²-3(3) = 9-9= 0

F(-1)=(-1)²-3(-1)= 1+3 = 4

F(2)-3=[2²-3(2)]-3 = (4-6)-3 = -2-3 = -5

F(-2)=(-2)²-3(-2) = 4+6 =10