This is in Precalculus. Provide clean and clear HANDWRITTEN complete SOLUTIONS. Minimize erasures and provide a clear picture of the solutions thank you and Godbless. Follow the numbering.

. Find 1': and fr and valuate M2, -1] and it-4. 3}. Show your complete solution. 1. my: = - f}: + 3:\" - a 2. my] = a\" + 3. x. y] = g 2 a x+y