Step-by-step explanation:

g (x) = 2x^3 + 4

h (x) = -3x - 5

(g - h)(x) = g (x) - h (x)

(g - h)(x) = 2x^3 + 4 - (-3x - 5)

(g - h)(x) = 2x^3 + 3x + 9

(g - h)(1) = 2(1)^3 + 3(1) + 9

(g - h)(1) = 2 + 3 + 9

(g - h)(1) = 14

I hope this helps