How do you determine p(c) given #p(x)=3x^3-6x^2+4x-8# and c=2?
1 Answer
Sep 17, 2016
0
Explanation:
Express p(x) as p(c) by substituting x = c in for x in p(x).
#p(color(blue)(c))=3(color(blue)(c))^3-6(color(blue)(c))^2+4(color(blue)(c))-8#
#rArrp(c)=3c^3-6c^2+4c-8# To evaluate p(2) substitute c=2 in for c in p(c)
#rArrp(color(red)(2))=3(color(red)(2))^3-6(color(red)(2))^2+4(color(red)(2))-8#
#=24-24+8-8=0#
