Can someone explain to me how this math answer is right?
2015-09-19 3:28 am
I got section (A) right but i don't understand how to do (B), can someone explain? * [4,0] is the correct answer
回答 (1)
2015-09-20 7:06 am
✔ 最佳答案
(a)Suppose V(x) = mx + k
When x = 0 , V = 1600
1600 = m*0 + k
k = 1600
When x = 4 , V = 0
0 = m*4 + 1600
m = - 400
So, V(x) = - 400x + 1600
(b)
From 0 year to 4 years, that is, x=0 to x=4,
So, the domain is [0,4]
收錄日期: 2021-05-02 14:06:40
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20150918192805AAXhhRg