$\int_7^{14}8.3e^{-.029x}dx$

$\lim_{x\to\infty}\left(\frac{4t^2+3t+2}{t^2+2t-6}\right)^3$

$45\cdot2+45\cdot2+15\cdot2+45\cdot2+19\cdot2+12\cdot2$

$\int\left(\frac{e^{\ln\:\left(\ln\:\left(x\right)\right)}}{x\left(e^{\ln\:\:\left(\ln\:\:\left(x\right)\right)}+3\right)}\right)dx$

$\frac{6x^2-33x-120}{3}$

$\lim_{x\to4}\left(\frac{1}{\left(x+4\right)^3}\right)$

$\frac{27}{3}-9$