8+ the product of 2 and a number to the third power, what it means 2×m cubed. So it is 8+2m (cubed)
Answer:
What is this? Is that a question? I mean it doesn't seem like one. can you post the proper one?
Answer: Choice D 
Reason:
Exponential functions have the variable in the exponent.
Choice A is a polynomial, which means we can rule it out. Choice B is a log function, so we can rule it out also.
Choice C is a rational function because it is a ratio of two polynomials. This rules out choice C.
Choice D is the only function with the variable in the exponent. That is assuming you meant to say
instead of 
Answer:
16oz bag, $0.32 saved
Step-by-step explanation:
3.12/12 = 0.26
3.84/16 = 0.24
For the 12-ounce bag, it would be $0.26 per ounce. For the 16-ounce bag, it would only be $0.24 per ounce.
16*0.26=4.16
4.16 - 3.84 = 0.32
$0.38 saved