Take A to be the 3 x 2 matrix whose entries are the 1998 tourism figures and take B to be the 3 x 2 matrix whose entries are the 1988 tourism figures. (a) Compute the matrix A - B. What does this matrix represent? O It represents changes in number of visitors over the period 1988-1998. O It represents changes in number of visitors in 1988. O It represents changes in number of visitors in 1998. It represents changes in number of visitors over the period 1998-2008. (b) Assuming that the changes in tourism over 1988-1998 are repeated in 1998-2008, give a formula (in terms of A and B) that predicts the number of visitors from the three regions to Australia and South Africa in 2008.

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