Evaluate The Indefinite Integral

Evaluate the indefinite integral

$\displaystyle\int 7\sqrt{x}\ dx$

Find the following indefinite integral

$\displaystyle\int 3x^6 + 5 + 7\sqrt{x}\ dx$

Evaluate the following indefinite integral

$\displaystyle\int (\sqrt{x} - 5 \sqrt[3]{x^2}) \ dx$

Evaluate the indefinite integral

$\displaystyle\int (\frac{3}{x^2} - \frac{1}{x}) \ dx$