Which are true of the function f(x) = 49(1/7)^x? check all that apply. 1. the domain is the set of all real numbers. 2.the range is the set of all real numbers. 3.the domain is x > 0. 4.the range is y > 0. 4.as x increases by 1, each y-value is one-seventh of the previous y-value. 5.the initial value for the function is 7.

To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.