Problem

Problem

Let f(x)=∫0xet(t−1)(t−2)dtf(x) = \int_{0}^{x} e^t (t-1)(t-2) dt . Then, ff decreases in the interval a. (−∞,−2)(-\infty, -2) b. (−2,−1)(-2, -1) c. [1,2][1, 2] d. (2,∞)(2, \infty)

Browse the problem library