Question

Use the polynomial remainder theorem to find f(-4) for f(x)=2x4+7x3−8x2−21x+7
f(-4) = ______

Answer 1

Answer: 39

Step-by-step explanation: you have to plug in -4 into each x so that would be f(-4)=2(-4)(2)+7(-4)(3)-8(-4)(2)-21(-4)+7= 39