Can someone please show me how , i know its with the tringanles but now do i get to the answer ?

webassign.net (a) Evaluate g(x) forx = 0, 1, 2, 3, 4, 5, and 6. 9(0) = 0 V 9(1)= 1/2 \\I 9(2) = 2 X 9(3) = 9(4) = 9(5) = 9(6) = (b) Estimate 9(7). (Use the midpoint to get the most precise estimate.) 9(7) = (c) Where does 9 have a maximum and a minimum value? minimum x = maximum x =