Three critical number problems, no long explanation needed..thank you!!

\f0mm 5 Find the critical numbers ufx} = 4x3 + 12.: 2 and classify all local extreme values. a} .3. Critical nos. :1; lccal masl) = 14; lacs] miuf(l) = 13. b} .3. Critical uc. D; lccal maxil] = 2. c} Q'C'ritical ncs. :I:l; lccal mastl] = 13;lccal miuf[1)= 14. d} .3. Critical uc. ; lccal ruiu) = 2. e} .3. Nu critical numbers, cc lucal extreme values. Questlrm 1 Find the critical numbers of f(x] = 212 + 3x + 5 and classifj,r all extreme TIIralues given 2 5 .t 5 {1. aLfICritical no. i}; local m1nf() 5. h}? Critical nos. 0 a; local and absolute minf ( g): 331; absolute max): 3 3 31 c}If:'ICr1tical no. 1; local rnaxf 1=F;no absolute extreme. r1)? ICriticsl no. 3; local and absolute nzu'bf( %) = Bil; absolute max 2): QC\" INo critical numbers no extreme values