Simplify: ( y = \frac12 \ln(1+x^2) ) → differentiate: ( \fracdydx = \frac12 \cdot \frac2x1+x^2 = \fracx1+x^2 ).
: The graph is a parabola that opens upward, with x-intercepts at (-1, 0) and (3, 0). Hkdse Mathematics In Action Module 2 Solution
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