Elijah is keeping track of his baby sister’s shoe size at different ages throughout her childhood. Which statements about the relationship between Elijah’s sister’s shoe size and her age are true? Select all that apply. A. The relationship is a continuous function.

B. The relationship is a discrete function.

C. The domain and range are restricted to positive numbers.

D. The domain and range are restricted to positive integers.

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

probably the last option

step-by-step explanation: