Answer:
The value of h(6) is 14.
Explanation:
Given the equation, 
h(x) = 3x-4 .........[1]
where,
x is the independent variable and 
h(x) is the dependent variable 
We have to find the value of h(6)
Add x = 6 in [1], we have
h(6) = 3(6) - 4
h(6) = 18 - 4
So, 
h(6) = 14