How do you determine p(c) given p(x)=3x3−6x2+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(c)=3(c)3−6(c)2+4(c)−8
⇒p(c)=3c3−6c2+4c−8 To evaluate p(2) substitute c=2 in for c in p(c)
⇒p(2)=3(2)3−6(2)2+4(2)−8
=24−24+8−8=0