Am I Correct? If not please correct me

1.

\fFind the maximum and minimum values by evaluating the equatien C = x 3],! at the x a D x53 vat] critical peinte if the reetrietiene are the fellewing: y53 minimum: 3; maximum: 3 minimum: 5; maximum: 3 minimum: El; maximum: 3 minimum: El; maximum: 3 @ll A small technology rm can either produce computer keyboards or mice- The company has a limited number of workers, so it can only spend dill] hours per week making these products- The company makes a prot of $3 per keyboard and $5 per mouse- If each keyboard requires four hours of labor, and each mouse takes two hour of labor, which of the following is true about the number of hours that can be spent making keyboards {k} and mice {m}? to ka The system :11 a D correctly represents the feasible domain- k + rn 5 400 E. The critical points [k, m} are [[1, El}, [[1, l}, and [Bill], El}- E. The company's earnings [E]: is modeled by E = Bk + 311- E. To maximize earnings, the company should produce El] keyboards- \fWhich peihte represent a eelutien to the eyetem graphed below? Select all that apply. III-l3...- III-IE...- III-Ila..- lllllltlll: III-IIIEIIIIIIIIIIII III-IIIEIIIIIIIIIHII III-IIIIHIEIIMIIHIII III-IIIIEMIIHIIIIIII ........-4nnununnunu JHHHIMHHHM. ,IIIIIIIII III-III.- .IIIIIIII III-III- JIIIIIII ill-III .IIIIII III-II .IIIII E [41, 4} l4, 31' l0, 7"} El {3, Ell Given the fellewing graph ef a system ef inequalities, the peint {4, 1} 1- 1. I I l l JIIIIIIII EIIIIIIII III-HI...- I III-IIIIIHIIEIIIIIII III-IIIIIIIIIJIIIIII III-IIIIIHIIIEIIIIII IIIIIIEEE III-HI...- i I-EEIIIIIHI ill-IIIIIIIIJIIIIIII III-IIIIII'-IIIIIIII III-It III-ll III-II. III-Ill III-Illa III-IIIL Ill-ll-Il III-IIIIL Ell-IIIIIt \"iilil IIIIIIIIII. IIIII-EEII III-II .5, satises all inequalities and is part ef the selutien set .3. satises enly ene efthe inequalities and, thus, is part ef the selutien set E; satises enly ene efthe inequalities and, thus, is net part efthe selutien set if, dees net satisir either inequality.r and, thus, is net in the selutien set The shape ofthe solution region for the system E triangle rectangle parallelogram trapezoid \fA planner is designing a rectangular park- The length needs te he at least dill] feet, and the width needs te he at least EDD feet- Hewe'u'er, the perimeter cannet exceed 12% feet- 1Ii'li'hich ef the fellewing systems cerrectly describes the pcssihle lengths [I] and widths [w] ef the park? rm lae waEUD l+ws22tl (a; lsd wsEDD l+ws2200 i lae waEDD 2i+3ir522tl if) ise WSEUU 2i+34r522tm