Let {{MATH_1}} be a function defined on {{MATH_2}}. The graph of {{MATH_3}} is given in the figure below. {{CMD_4}} {{ENV_5}} {{CMD_6}} Select all values of {{MATH_7}} where the function {{MATH_8}} has a critical point. {{CMD_9}} {{CMD_10}}{{MATH_11}}{{CMD_12}} {{CMD_13}}{{MATH_14}}{{CMD_15}} {{CMD_16}}{{MATH_17}}{{CMD_18}} {{CMD_19}}{{MATH_20}}{{CMD_21}} {{CMD_22}}{{MATH_23}}{{CMD_24}} {{CMD_25}}{{MATH_26}}{{CMD_27}} {{CMD_28}}{{MATH_29}}{{CMD_30}} {{CMD_31}}{{MATH_32}}{{CMD_33}} {{CMD_34}}{{MATH_35}}{{CMD_36}} {{CMD_37}}{{MATH_38}}{{CMD_39}} {{CMD_40}}