一道AP微积分题目If f is differentiable and difference quotients overestimate the slope of f at x=a for all h>0, which must be true?Answer: f''(a)>0 为什么= =我知道了……但是回答仍然给分！

一道AP微积分题目If f is differentiable and difference quotients overestimate the slope of f at x=a for all h>0, which must be true?Answer: f''(a)>0 为什么= =我知道了……但是回答仍然给分！ ap 微积分的一道题 一道AP微积分题目A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat.If the rope is pulled in at a rate of 1.1 m/s,how fast is the boat appr 微积分的一道题目~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 求一道微积分题目! 一道微积分的题目 一道微积分题目 一道微积分题目 AP微积分题If f is differentiable and difference quotients overestimate the slope of f at x=a for all h>0,which must be true?A f'(a)>0 B f'(a)0 D f''(a) 问一道ap微积分的题目,The manager of a large apartment complex knows from experience that 90 units will be occupied if the rent is 372 dollars per month.A market survey suggests that,on the average,one additional unit will remain vacant for e 一道微积分的题目 求解 如图.一道微积分题目 求一道微积分证明题目 问一道微积分的题目 ap微积分 ap微积分 ap 微积分 AP微积分