^{MATH 323}

^{Section           Page   Problems}

^{13.1                648     odd 1-11, 15, 25, 27, 29, 31, 49.  If a rock is thrown from a point 3 ft. above}

^{the ground with a horizontal velocity of 90 ft./sec. and a vertical velocity of}

^{47 ft./sec., how far away will it land if nothing is obstructing its path?  If there is a 7 ft.. high fence 9 ft. in front of you, will the rock sail over the fence?}

^{ANSWER:  270 feet; Yes.}

^{13.2                657     odd 1-13; 21, 23, 29}

^{13.3                667     plot points given in polar coordinates:  (2, ), (-3, 7), (-2, )}

^{odd 1-11; 15, 17, 21; odd 27-33; odd 37-47; odd 51-55}

^{13.4                673     odd 1-7; 11, 13, 15, 17, 19, 20  ( + 2) , 23, 25, 27, 35}

^{14.1                692     odd 1-35; 39, 41}

^{14.2                700     odd 1-39 except 5, 11, 33}

^{14.3                708     odd 1-29; 35, 36 (30°), 37, 39, 40}

^{14.4                717     odd 1-25; except for 9.  Only read 21 and use it in 23 and 25.}

^{14.5                727     odd 1-65; except 59}

^{14.6                742     odd 1-29; odd 33-45; 51, 53, 55}

^{15.1                753     1, 5, 7, 13, 15, 21}

^{15.2                760     1, 5, 9, 11, 17, 19, 21, 27, 29, 31, 33, 43, 49}

^{15.3                768     1, 5, 9, 13, 15, 21, 23}

^{16.1                801     1, 3, 7, 9, 11, 15, 17, 19, 23, 27, 29, 31, 33, 43}

^{16.2                813     odd 1-7; 11, 15, 25, 27, 29, 35}

^{16.3                820     odd 1-15; 19, 21, 29, 43, 45, 49, 51, 59, 63, 64}

^{[x = t, y = 2, z = -(-9t + 20 )]}

^{16.4                833     7, 11, 19, 21.  Use differentials to approximate  f (-2.02, 3.01)  in 19 and}

^{f (1.02, 3.97, 1.96)  in 21.}

^{Section           Page   Problems}

^{16.5                842     odd 1-23, 27}

^{16.6                852     odd 1-25}

^{16.7                860     3, 5, 7, 11, 13, 15, 17, 25, 28  (ANSWER: )}

^{16.8                869     odd 19; 15, 25, 27, 39}

^{16.9                880     odd 3-9}

^{17.1                894     odd 1-49}

^{17.2                903     odd 1-9; odd 17-27; 31}

^{17.3                910     1, 5, 7, 9; odd 17-23; 25, 27, 29}

^{17.4                914     1, 3, 7, 9, 11}

^{17.5                924     odd 1-17; 23, 25, 29, 31, 33}

^{17.6                932     1, 3, 9, 11, 13, 17, 19, 23, 25}

^{17.7                940     odd 1-29, 31a, 39}

^{17.8                947     odd 1-15; 21, 27, 31, 32 (), 35, 36 (), 37}

^{18.1                971     odd 1-19; 23, 24, 27}

^{18.2                980     odd 1-21, 22}

^{18.3                990     odd 1-15; 21 27, 28 (0)}

^{18.4                991     odd 1-17; 22, 23}

^{18.5                1004   3, 5, 11, 13, 15, 17, 18}

^{18.6                1010   odd 1-11}

^{18.7                1018   odd 1-7, 15, 16, 18}