The graph of a function / is given below. Estimate f( x ) dx using 8 0 subintervals with sample points: 3 BLOWN 2 4 6 8 (a) Right Endpoints: -0.8 O -1.9 O -2.7 O -1.0(a) Right Endpoints: O -0.8 O -1.9 O -2.7 -1.0 -2.1 OOO C -3.0 -2.5 O -3.4 (b) Left Endpoints: -1.0 O O -0.8 O -2.7 -2.5 -1.9 -3.0 OOOOO -2.1 -3.4(c) Midpoints: O -2.7 O -1.9 O -3.4 O -3.0 O -2.1 O -1.0 O -0.8 O -2.5