A matrix transformation induced by an m×n matrix A is one to one if and only if what condition is met?

How are two transformations S:R^n → R^m and T:R^n → R^m defined as equal?

If a transformation T acts by matrix multiplication of a matrix A, what is T called?

If an m×n matrix A is invertible, what does this imply about the linear transformation T_A:R^n →R^m?

For linear transformations T:R^k →R^n and S:R^n →R^m , how is the composite (S∘T)(x) defined?

What happens to the zero vector under a linear transformation T:R^n → R^m ?

Leigh, a Deaf middle schooler, goes to a school and is bilingual using ASL/English.  Her hearing brother, Rashawn, also goes to this school. They are both exposed to Deaf culture most of the day. Which school type are Leigh and Rashawn most likely enrolled in? 

Jimmy goes to a school that provides them with full access to ASL, Deaf culture,  Deaf peers, and a dorm supervisor. Which of the following school does Jimmy most likely goes to?

Ms. Torres uses a communication system with her son. This is a manual system that only uses various hand shapes and four-hand locations. She uses this communication system in Spanish and in English since it only requires her to focus on the consonants of the target language. What type of communication is Ms. Torres most likely using with her son?

Dr. Qi, a Deaf professor, is teaching an undergraduate Deaf Education course. Which of the following should he prioritize the least: