In 21-26, find the center and radius of each circle. Graph each circle. Find the intercepts, if any, of each circle. x2 + l - 2x + 4y - 4 = 0

L34 - 10 Now You Try It (NYTI): 1. Evaluate the indeﬁnite integrals. ▯ 2 (2 + x) (a) x2 dx ▯ x −x (b) e + e dx e2x ▯ (c) (sin(x)+cos( x)) dx (Use trigonometric identities.) ▯ 1/4 √ (d) x (5 − x)dx 2. An object moves in a straight line so that its velocity after t seconds is v(t)=2 √ t − tlii object on [0,16].