Which of the following could not be true for a function?

domain is {2}, range is {2}
domain is {2, 3}, range is {2}
domain is {2}, range is {2, 3}
domain is {2, 3}, range is {2, 3}

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

What are the domain and range of f(x)= -log5(x+2)