4

I’m not sure what you’re asking. The single “4” isn’t enough to give a solution.

Could you share:

• The topic (e.g., calculus, algebra, statistics, CS)
• The full problem or a screenshot
• Or at least the exact question you’re working on

If you want, I can:

• Solve the problem step by step once you paste it, showing why the answer is 4
• Generate a short, targeted practice set for a topic you’re studying (with solutions)
• Create a quick 15-minute drill for exam prep

Tell me the topic and problem, and I’ll dive in.