Question

Find f(3) given that f(3) = -x^4 + 3x^3 + x^2 - 8x - 16.

Answer 1

Answer: -31

Explanation:

f(x) = -x⁴ + 3x³ + x² - 8x - 16

f(3) = -(3)⁴ + 3(3)³ + (3)² - 8(3) - 16

= -81 + 81 + 9 - 24 - 16

= -31