a-cl-prereq-selo - Sets and Logic Course MHF3202 Prereq-A...

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Unformatted text preview: Sets and Logic Course MHF3202 Prereq-A Prof. JLF King 14Jan2008 A1: Show no work; no partial credit. NOTE : The inverse-fnc of g , often written as g 1 , is different from the reciprocal fnc 1 /g . If g is invertible and g ( 7) = 4, then g 1 (4) = 7. Write DNE in the blank if the requested object DoesNotExist , or if the question is ill-posed. This is an Open Brain but No calculator exam. a The slope of line 5[ y- 1] = 3[ x- 2] is ...... . Point ( 8 ,y ) lies on this line, where y = ........... . b Line y = Mx + B is orthogonal to y = 1 3 x + 2 and owns ( 3 , 1 ) . So M = ....... and B = ....... . c The solutions to 3 x 2 = 2- x are x = ......................................... . d √ 2 √ 27 √ 3 = .......... . log 8 (4)= .......... . e For fnc y = h ( x ) := 5 + 3 √ x 2, its inverse-fnc is h 1 ( y )= .......................................... . f Let g ( x ) := x 3 + x . Then g 1 ( 10)= ..............
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