h(x) is a trigonometric function of the form h(x)=a*sin(bx+c)+d.

below is the graph h(x). the function intersects its midline at (0.5,-3) and has a minimum point at (-1.5,-8). find a formula for h(x).

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?