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Consider the function \[ y=f(x)=1-x^{2} \] 1. For what values of \( x \) is \( f(x) \) strictly in ...
Consider the function \[ y=f(x)=1-x^{2} \] 1. For what values of \( x \) is \( f(x) \) strictly increasing? Strictly decreasing? 2. Solve the problem \[ \max _{x} 1-x^{2} \] Argue that the FOC gives you a maximizer. 3. Without putting any restriction on \( x \), does the function \( f(x)=1-x^{2} \) have a well-defined minimum? In other words, can you find an actual value of \( x \) so that \( f(x) \) is the lowest?