The phrase "a function of cost of" is correct and usable in written English.
It can be used in contexts where you are discussing how something is influenced or determined by the cost of something else.
Example: "The pricing strategy is a function of the cost of production and market demand."
Alternatives: "dependent on the cost of" or "determined by the cost of".
The value of information as a function of cost and time is more important than applying new scientific approaches immediately.
It's not a function of cost; it's not necessarily a function of having this old institution.
"Australia has really outperformed the rest of the world for the past 10 years, and when the economy's strong and people are relatively wealthy, prices can go up, because prices are not just a function of costs, they're a function of your ability to pay".
Cost of implementing conservation practices on agricultural lands is a function of the cost of physically installing and managing the conservation practice and the cost of the incentive required to induce landowners to adopt the practice.
Argued Oxford alum Morris from a restaurant in France, "Companies care about total cost of ownership and that is a function of the cost of people -- specifically $200,000 a year Database Administrators.
However, the solution of an optimization problem using a cost functional (a function of functions of time) is quite different, and substantially harder to solve, than previous optimization problems using cost functions, which depended simply on two variables (such as substrate and enzyme levels in [ 25]).
The cost of everything we do in space is largely a function of the cost of getting there.
The ultimate cost of structural components, manufactured utilizing carbon fiber, is a function of the cost of the fiber, the fabrication procedure of the unit, the strength and stiffness required of the structural unit, and the durability and the maintenance of the material.
