Answer:
Let x = the smaller number
Let 3x + 15 = the larger number
x + 3x + 15 = 63
4x = 48
x = 12
3(12) + 15 = 51
Step-by-step explanation:
for an expression or relation to be a function, it must not have any x-coordinate values repeated, let's check this one
I hope it helps......:))