Keith collected the names and ages of all of his classmates and organized them in the ordered pair (name, age).

which of the following statements would be true about his information?

it is both a relation and a function.
it is a relation but not a function.
it is not a relation, but it is a function.
it is neither a relation nor a function.

It is both a relation and a function.

Step-by-step explanation:

Keith collected the names and ages of all of his classmates and organized them in the ordered pair (name, age).

Here, if we consider the name as the input and age is the output, then each and every different input there is a single output.

Because a single person can not have more than one age.

Therefore, it is both a relation and a function. (Answer)

step-by-step explanation:

the first 5 right here the next 5 i will upload as separate question

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere