PLease help me plz i really need this

With finding limits of multi variable !

Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "

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?