A and B are the points on the curve y=2^x with the coordinates 3 and 3.1 respectively.
Find the gradient/slope of the chord AB and stating the points you use, find the gradient of another chord which will give a closer approx. to the gradient/slope of the tangent to y=2^x at A.
thanks

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A = (3, 2^3) = (3,8)
B = (3.1,2^(3.1)) = (3.1, 8.57)
slope = .57/.1 = 5.7

since a is at 3; use a closer value of x that is between 3 and 3.1; such as 3.01

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