DETERMINE IF A FUNCTION OR NOT

WILL MARK BRAINLIEST FOR CORRECT ANSWERS

Relation 3: yes, it can be a function

Relation 4: no, it cannot be a function

Step-by-step explanation:

in a function, for every input x there can only be one correlating output y.

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

the multiples of 15 are 15, 30,45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195,   210, 225, 240, 255, 270, 285, 300, 315, 330, 345, 360, 375,   390, 405, 420, 435, 450, 465, 480, 495, 510, 525, 540, 555, 570, 585, 600, 615, 630, 645, 660, 675, 690, 705, 720, and 735.

the factors of 15 are 1, 3, 5, and 15.

hope that , fam!

-une, your fren : )