Let t1 and t2 be linear transformations given by t1 x1 x2 = 2x1 + x2 x1 + x2 t2 x1 x2 = 8x1 + 7x2 x1 + x2 . find the matrix a such that the following are true. (a) t1−1(t2(x)) = ax a = (b) t1(t2−1(x)) = ax a = (c) t2−1(t1(x)) = ax a = (d) t2(t1−1(x)) = ax a =

What expression is equivalent to log3(x+4)

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

At a local museum, the total price for one adult and one child is $11. mrs. smith paid for herself and her three children. she spent $19. record the system of equations to be solved and then find the price of an adult and child ticket using either elimination or substitution.