For f(x) = 1/6+x, the slope of the graph of y = f(x) is known to be -2/49 at the point with x-coordinate 1. Find

For f(x) = 1/6+x², the slope of the graph of y = f(x) is known to be -2/49 at the point with x-coordinate 1. Find the equation of the tangent line at that point.