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Average Rate of Change Fx equals x2 plus 3x plus 5.1 from x1 equals -5 to x2 equals 6?
Wiki User
∙ 9y ago
f(x1) = (-5)2 + 3*(-5) + 5.1 = 25 - 15 + 5.1 = 15.1
f(x2) = (6)2 + 3*(6) + 5.1 = 36 + 18 + 5.1 = 59.1
f(x2)-f(x1) = 59.1 - 15.1 = 44
x2 - x1 = 6 - (-5) = 11
So average rate of change = 44/11 = 4
Wiki User
∙ 9y ago
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