Chapter SH, Problem 5.2.9EP

To determine

The solution of the given inequality.

Answer to Problem 5.2.9EP

  $c\ge -1.5$

Explanation of Solution

Given:

The given inequality is:

  $4c\ge -6$

Calculation:

The solution can be obtained as:

  $\begin{array}{l}4c\ge -6\\ c\ge \frac{-6}{4}\\ c\ge -1.5\end{array}$

Check:

Put $c\ge -1.5$ ,

  $\begin{array}{l}4c\ge -6\\ 4\left(-1.5\right)\ge -6\\ -6\ge -6\end{array}$