Which of the following rules could represent the function shown in the table? x y -1 -1 0 1 1 3 f( x) = 2 x + 1 f( x) = -2 x f( x) = 2 x - 1

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

How is the equation of this circle written in standard form? x2 + y2 - 6x + 14y = 142 a) (x - 3)2 + (y + 7)2 = 200 b) (x+ 3)2 + (y - 7)2 = 200 (x - 6)2 + (y + 14)2 = 142 d) (x+6)2 + (y- 14)2 = 142