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Fiera
Answers (1)
we know that dA/dt = 2 and A can be written as pi*r^2 inital value of A, meaning t=0, is 1 from that, we get the equation A = 2t+1 example: t = 2 A = 2(2) + 1 = 5 1 + 2 + 2 = 5 we can then write pi*r^2 = 2t + 1 r^2 = 2t + 1/pi r = sqrt. 2t+1/pi
