Question

If h(x) = 2x^4 - 4x^2 - 2x, then h (3)= ?

Answer 1

h(3) = 140

Explanation:

Substitute any seen x with 3 :

2(3)^4 - 4(3)² - 2(3)

2(81) - 4(9) - 6

162 - 36 - 6

162 - 42

140

h(3) = 140

Hope this helped and have a good day