+ Kl Quiz 5, Math 140 1. (20%) True/False ful dx (a) ____ "l X can be estimated by using a Riematn sum (b) _____ Riemann sum approach is applicable only when the function is positive. (c) _____ A denite integral exists as long as it is continuous, and bounded over the interval of interest (d) _____ F(x) is an antiderivative of f(x), if I: f(x) dX: I: F '(Xde f (e) _____ r=1 =n(n+1)/2 5 1 ffx)dx: -ff(x)dx 1 5 by denition. =F(b}F(a) (f) _____ . fxdx= 0 1 (9) _____ (h) _____ Following the Antiderivative and Denite Integrals conjecture in 1 f%dx= -2. l(l):_l_ Sect 4.4, we have -1 because W X )3 c fnm23anma3am (i) _____ For any integrable function f, 5 3aam where a