I need questions 1-9 answered please help!?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

Here is my question! 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?

Aright triangle has an area of 21 m2. the dimensions of the triangle are increased by a scale factor of 4. what is the area of the new triangle