True or False Explain

True or False? In Exercises 69, 70, 71, 72, 73, and 74, determine whether the statement is true or false. If it is false, explain why or give an example that shows it is false. 69. ( If(z ) + g(z)] da = f(x)de + (o(x) de Answer True False 70. f(x)g(2) da = [f(x) dx 9(x) dz 71. If the norm of a partition approaches zero, then the number of subintervals approaches infinity. Answer + True False 72. If f is increasing on [a, b], then the minimum value of f on [a, b] is f(a)