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11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"

Which of the following represents the factorization of the trinomial below? x^2+7x-30

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.