Anyb-ody wa-nt m-e t-o subs-cribe to their chan-nel on youtu-be say the chann-el

Find the given elements if matrix d:

Which expression shows the sum of the polynomials with like terms grouped together

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1