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Algebra
Question

Let $$f ( x ) = ( x + 7 ) ^ { 2 }$$

Find the largest interval on which $$f$$ is one-to-one and non-decreasing. Find the inverse of $$f$$ restricted to this domain.

$$f ^ { - 1 } ( x ) = \square$$

$$(- \infty,\infty)$$
$$f^{- 1}(x)= \sqrt{x}- 7$$