So this is the formula for the graph: **N(t) = 2500 + 2t^4**

t = Amount of hours

**Question: What's the growth rate when t = 5?**

What would N'(5) become in this case?

I'm getting it to N'(5) = 134 (8*5^3) but my book tells me the answer is 1000.

Guest May 25, 2017