If f(x) is a function and f(1) = 5, then which of the following could not be true?
f(1) = 1
f(2) = 1
f(5) = 5

Asalsa recipe uses green pepper, onion, and tomato in the extended ratio 3: 5: 7. how many cups of tomato are needed to make 105 cups of salsa? a. 7 b. 21 c. 35 d. 49