e$)$

Write the Riemann sum for this area approximation in Sigma notation. $($Do not evaluate the sum here. The

only variable appearing in your expression should be the index variable k$.)$

interval $0,6$

f$)$

Evaluate the sum frc $.,$ part $($e$)$ above. $($Your answer should have no variables remaining. Use the summat ion

formulas from this section in the $1$ :xtbook where appropriate.$)$