Question

8. If p(x) = 4+3x-x
2
+5x3
, find p(-2)​

Answer 1

Answer:

p(-2) = -46

Step-by-step explanation:

Given

   p(x) = 4 + 3x - x² + 5x³

we get p(-2) by substituting -2 for each x in the formula:

  p(-2) = 4 + 3×(-2) - (-2)² + 5×(-2)³

           = 4 - 6 - 4 - 40

           = -46

Hope this helps!

Answer 2

Step-by-step explanation:

p(2)= 4+ 3(2) - (2)² + 5(2)³

= 4 + 3x2 - 2x2 + 5(2x2x2)

= 4 + 6 - 4 + 5(8)

= 4 + 2 + 5x8

= 6 + 40

= 46 Ans