The phrase "an increasingly challenging task" is correct and usable in written English.
You can use it to describe a task that is becoming more difficult over time or as circumstances change.
Example: "As the project progressed, it became an increasingly challenging task to meet the deadlines set by the client."
Alternatives: "a progressively difficult task" or "a more demanding task."
Information management is becoming an increasingly challenging task for farmers, especially in terms of the amount of data and the complexity of processes in precision farming.
Massive and rapidly expanding amounts of data combined with data models that evolve over time contribute to making data management an increasingly challenging task that warrants a new approach.
Of course, there are always a few with the right combination of funding, seasoned leadership, hot tech talent, and protectable IP to be sure, but as today's complex hybrid IT environments progress, coming to market with truly disruptive technology is becoming an increasingly challenging task.
However, as the model complexity and number of parameters increase to better approximate the tissue's complex behavior, estimating model parameters uniquely and accurately becomes an increasingly challenging task (Xi et al. 2011b).
In this context, the extraction of knowledge from large-scale mutation data is an increasingly challenging task and KDD approaches are now being applied in many domains of biomedicine.
Nokia on the other hand, had the increasingly challenging task of staying up-to-date in advancing the image quality of its products in a way that could lead to the best possible customer satisfaction.
82% wanted to take on increasingly challenging tasks and 80% said they are willing to put in a great deal of extra effort to help their employer be more successful.
Distance tasks you with racing down increasingly challenging roads adorned with futuristic curves and neon lights, avoiding an increasingly challenging number of static and moving obstacles.
The SAT included a series of progressively challenging tasks.
That's an increasingly important and challenging task, given the rise of social media platforms like Twitter and Facebook, which could just as easily serve as replacements for the sites themselves (how many times have you read a headline in your timeline and chose not to click?) as they can drive traffic to them.
I used free online resources to slowly tackle increasingly challenging programming tasks.
