Answer: Option 'E' is correct.
Step-by-step explanation:
Marginal utility is the addition utility derived from each successive unit of a particular good.
so, marginal utility is the change in utility from consuming an addition unit of a good or service.
Mathematically, it is expressed as

Hence, Option 'E' is correct.
Answer:
a <= 3
Step-by-step explanation:
Answer:
A, C, D, and E are all functions
Step-by-step explanation:
A.between 8 and 10 years of age,
<span>C.between 10 and 12 years of age
</span>
You would set it up like this: 150x + 280 = 255x The you just solve.