1 and 1/2 plus 2 and 1/8
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A rental car company charge a one time fee of 50 dollars plus $1 per mile another rental car company charges a one time fee of 10 dollars plus $2 per mile the equations at the right represent the total cost t for renting a car for m miles at each company for how many miles is the cost the same at both companies
4. (12 points) Let the matrix A and its reduced row echelon form R be given by the following. A= [ 1 -2 2 -3 1 -2 4 -1 4 1 -3] [1001 1] -4 0 0 1 0 1 1 7 -1 0 0 1 1 -1 | = R. (a) Find a basis for the column space of A. (b) Find a basis for the row space of A. (c) Find a basis for the null space of A. (d) Verify that the dimension of the column space of A plus the dimension of the null space of A is equal to the number of columns of A.