15 Suppose f is continuous on [1,15] and 1 f(t) dt = 2. Compute each of the following values 10 (a) f(t) dt = 10 1 (b ) f(t) dt = J15 15 (c) 6f(t) dt = 1 15 (d) f(t) + 6 dt = J1 10 15 (e) f(t) dt + 1 f(t) dt = 10 (f) The average value of f(x) on [1,15] =