Question

if p(x)=X^3 + 1,then find the p(-1) - p(2)​

Answer 1

Answer:

Answer

P(x)=x

2

−x+3

P(−2)=(−2)

2

−(−2)+3=9

P(1)=1

2

−1+3=3

P(

2

1

)−P(1)+P(−2)=9−3+

4

13

=6+

4

13

=

4

24+13

=

4

37

Answer 2

Answer:

p(-1)=(-1)^3+1

=(-1)+1

= 0

p(-2)=(-2)^3+1

=(-8)+1

= -7

So, p(-1) - p(2) = 0- (-7)

=0+7

=7