Problem $15.$

PREVIEW ONLY $--$ ANSWERS NOT RECORDED

$(1$ point$)$ Calculate the following antiderivatives:

$($a$){\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}11t-2t^6+2dt=q,+$C $.$

$($b$){\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{1}{u^{\frac{9}{4}}}+3\mathrm{.}5\sqrt[\phantom{2}]{u}du=+$C $.$

$($c$){\displaystyle \underset{\phantom{}}{\overset{\phantom{}}{}}}\frac{1}{4x^4}dx=+C.$