Function Q gives puppy weight in pounds as a function of its age in months Use function notation to represent the each statement

When the puppy turned 12 months old it weighed 19.6
When the puppy was a month old it weight w pounds

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Acoffee shop orders at most $3,500 worth of coffee and tea. the shop needs to make a profit of at least $1,900 on the order. the possible combinations of coffee and tea for this order are given by this system of inequalities, where c = pounds of coffee and t = pounds of tea: 6c + 13t ≤ 3,500 3.50c + 4t ≥ 1,900 which graph's shaded region represents the possible combinations of coffee and tea for this order?

Which of the following functions corresponds to the above sinusoid? a. 10 cos πx - 5 b. -5 sin x - 5 c. -10 cos πx/2 - 0.5 d. 10 sin πx - 5