Answer:
b) 1
Step-by-step explanation:


It is 10.7703296143, but estimated it would be about 11. Hope I helped!! :)
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 
8/18 because just times them by 2 and it will be 8/28.