Answer:
8
Step-by-step explanation:
Plug in 3 for x and simplify
2(3)^2 - 10
18-10
=8
Answer: 8
h(3) = 2x^2 - 10
h(3) = 2(3)^2 - 10
h(3) = 2(9) - 10
h(3) = 18 - 10
h(3) = 8