B1. (a) State your Student Number and give your values of a, b and c described above. (b) Find the area of the region bounded by two vertical lines r = -a – 1, x = b+1 and graphs of two functions: %3D r+ 15 y = cos"(cr + a). y = and r+ 12 Justify your answer and evaluate the area up to three digits after the decimal point.

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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.