Suppose the m × n matrix A has the form A = A1 A2 Where A1 is a non-singular matrix of dimension n × n and A2 is an arbitrary matrix of size (m − n) × n. Show that the 2-norm of the pseudo-inverse matrix is less than the 2-norm of the inverse of A1.

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48