2 [2 -21 [6 В 10] Find the following 2 1. If A = |-4 4 and C = |1 ! 8. 1 -3 10 -4 [4 5 6 using Excel. Show all steps and functions. (Hint: z: last digit of your college ID) z =7 (AB)-1 ii. i. iii. А - ВТ

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.