Find the approximate value of $\backslash (\backslash$int$\_\{4\}\backslash$left$(-$x$^\{2\}\backslash$right$)$ d x $\backslash )$

using the trapezoidal rule with three subdivisions.

Draw a graph to illustrate.

The estimated value is:

Give your answer accurate to four decimal places.

This answer is an:

under estimate

over estimate

Explanation of answer above:

because the function is concave down

because the function is decreasing

because the function is increasing

because the function is concave up