ECON 134A Midterm: ECON 134A UCSB Test3A solution sketchesx 2012Summer
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3x + 4 at the point a = 3. 0: a particle is moving in a straight line and its acceleration at the time t is given by a(t) = cos t 6t2 + 1 (m/s2). The base of the ladder starts to slide away from the wall at 5 m/min. How fast is the angle between the ladder and the ground changing when the base is 1 meter away from the wall: a box with a rectangular base without a lid must have a volume of 18 ft3. The length of the base of the box is three times its width. Find the dimensions of the box that minimize the amount of material used: evaluate each of the following limits. 3x2 + x + 1 x3 2 e2x + ln (3x + 1) 1 (a) lim x + (b) lim x 0 (c) (d) lim x + lim x 0+ sin (3x) x(cid:18)tan(
