Task 815
Task 815: development task in emrekuruu/math-openenv, an RL environment on the Hugging Face Hub. Let $f(x) = ax^7 + bx^3 + cx - 5.$ If $f(-7) = 7,$ then find $f(7).$
The task
Let $f(x) = ax^7 + bx^3 + cx - 5.$ If $f(-7) = 7,$ then find $f(7).$