Question: ( 1 5 points ) Consider the function f ( x ) = x 2 + 3 x + a . ( a ) Does

(15 points) Consider the function f(x)=x2+3x+a.
(a) Does f have an inverse for any xinR. (Confirm your answer)
(b) Restrict its domain so that it has an inverse function.
(c) Find dxdy.
( 1 5 points ) Consider the function f ( x ) = x

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