Concert really gram for the quadratic function which interval on the X axis has a negative rate of change

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red