Determine whether the two functions are inverses of each other. You must show your work for 14) f(x) = X+ 5 g(x) = 2x -5 Find the distance between the pair of points. 15) (2, -1) and (4, -7) Find the center and the radius of the circle. Graph the circle. 16) (x - 4)2 + (y + 3)2 = 64 Complete the square and write the equation in standard form. Then give the center and radiu 17) x2 + y2 + 6x + 8y + 25 = 16 A-5

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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.