Answer:
2) The domain would only include positive integers
Step-by-step explanation:
y cost for x person
x can't be negative or fraction.
Its b= -0.2 or b= 1/-5 whichever one works best
No because 0x14 would be 0 BUT it is still multiplication.
The lowest common denominator for 15 and 12 will get in this way
15=3*5
12 = 3*4
LCM will be 3*4*5=12*5=60
