Answer:
21
Step-by-step explanation:
The answer should be: 5/8 x 1/10 = 1/16.
Answer:
x<13
Step-by-step explanation:
Answer:
4/5
Step-by-step explanation:
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 