# If the tangent line to #y = f(x)# at #(4,3)# passes through the point #(0,2)#, Find #f(4)# and #f'(4)#? An explanation would also be very helpful.

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Mar 4, 2017

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The question gives you

We can find

The gradient of a line is given by rise over run, or the change in

We know two points on the graph in the question, so effectively we know the two values we need for

so

which is the gradient.

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