On some interval, we know that {{MATH_18}} is positive and {{MATH_19}} is positive. Which of the following is the best option for the shape of the graph on that interval? {{CMD_20}}{{COMMENT_21}} {{CMD_22}}{{ENV_23}}{{CMD_24}} {{CMD_25}}{{ENV_26}}{{CMD_27}} {{CMD_28}}{{ENV_29}}{{CMD_30}} {{CMD_31}}{{ENV_32}}{{CMD_33}} {{CMD_34}} {{CMD_35}}