3. (Applies to Standards D3(1), D4(c,d,g,h), D6(b), D7(b), and D11(e)) Consider f(x) = %3D x +1 (a) Write the domain of f. (b) Compute f'(r) and simplify. (c) Find all r-values where f' is neither positive nor negative. Which of these values are also critical points? (d) List the intervals of incrcase and decrcase. Show your work in such a way the gradcr knows what you were thinking.

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Domain

In simple mathematics terms, a domain is defined as the space on which all the possible inputs for the function will lie. It can also be expressed as a set of departures for the required function.