Split (1)

train · 116k rows

role stringclasses 2 values	content stringlengths 0 2.1k	session_id int64 10 21.7k	sequence_id int64 0 2.38k	annotations listlengths 0 8
student	wait so the shape of f(x) helps us know the answer for f'(x) and the shape of f'(x) helps us know the answer for f''(x)?	13,654	146	[]
volunteer	The shape of f(x) helps you to know both f' and f".	13,654	147	[]
volunteer	if f(x) is increasing over an interval, then f' will be >0 over the that interval.	13,654	148	[]
volunteer	if f(x) is concave up over an interval, then f" will be >0 over that interval	13,654	149	[]
volunteer	You don't have the graph of f' ( although you will be given graphs to f' to analyze at some point).	13,654	150	[]
student	so if f(x) tell us both f'(x) and f''(x) what will the graph of f'(x) help with?	13,654	151	[]
volunteer	You will eventually get questions asking you to analyze graphs of f'. I wouldn't worry about that right now. A graph of velocity is a graph of f'	13,654	152	[]
student	oh okay so, just tell me everything i need to know then, and then I'll let you go, When I have either a graph or a table, what are the steps I should take in order to find the right answer?	13,654	153	[]
volunteer	I am not sure what you are asking. We just did a question with table. If you look at a part of a graph where the curve is concave up, f" will be >0 there	13,654	154	[]
student	i was basically just asking you to recap our session in your own words meaning, just tell me first thing you look at is blah blah then it's this and that and to finish this and that, that's it	13,654	155	[]
volunteer	The most important thing is to remember that the derivative is a slope, the slope of a tangent line at a point. So if a fn is increasing, then f' will be positive. if f' is itself increasing over an interval, meaning the slopes are increasing, which means the second derivative will be >0, and that makes the curve look...	13,654	156	[]
volunteer	This should all become clearer as you do more problems.	13,654	157	[]
student	okay thank you!	13,654	158	[]
volunteer	You are very welcome.	13,654	159	[]
volunteer	Have a good rest of the day!	13,654	160	[]
student	YOu too!	13,654	161	[]
volunteer	bye	13,654	162	[]
volunteer	hello	13,878	0	[]
student	Greetings, Mr. David!	13,878	1	[ { "pii_type": "PERSON", "surrogate": "Mr. David", "start": 11, "end": 20 } ]
student	How are you doing today?	13,878	2	[]
volunteer	ok,!,..what are we doin?	13,878	3	[]
student	Awesome!	13,878	4	[]
student	So, I have a Geometry assignment I have to complete.	13,878	5	[]
student	It shouldn't take that long.	13,878	6	[]
student	It's only a few questions.	13,878	7	[]
volunteer	famous last words	13,878	8	[]
student	?	13,878	9	[]
volunteer	being funny	13,878	10	[]
student	I did the rest of my HW earlier.	13,878	11	[]
student	oh	13,878	12	[]
student	haha	13,878	13	[]
student	May I post my assignment on the board	13,878	14	[]
volunteer	yes	13,878	15	[]
student	Mr. David	13,878	16	[ { "pii_type": "PERSON", "surrogate": "Mr. David", "start": 0, "end": 9 } ]
student	also	13,878	17	[]
student	just letting u know	13,878	18	[]
student	my computer may freeze at times	13,878	19	[]
volunteer	my head may freeze too	13,878	20	[]
student	(It hasnt happened so far)	13,878	21	[]
student	oh lol	13,878	22	[]
student	same	13,878	23	[]
student	so i hope it wont happen	13,878	24	[]
student	and when my computer freezes it takes me like 10 minsfor it to work again	13,878	25	[]
student	ok	13,878	26	[]
student	one sec	13,878	27	[]
student	so before we assume	13,878	28	[]
student	my teacher wants us to do odds (thank god)	13,878	29	[]
volunteer	k	13,878	30	[]
volunteer	whats the question on 43?	13,878	31	[]
student	so i have to do 43, 47, 49	13,878	32	[]
student	and 53 and 54 (will post after)	13,878	33	[]
student	Mr. David	13,878	34	[ { "pii_type": "PERSON", "surrogate": "Mr. David", "start": 0, "end": 9 } ]
student	so 5 problems	13,878	35	[]
student	thank*	13,878	36	[]
student	oops	13,878	37	[]
student	yeah	13,878	38	[]
student	the question	13,878	39	[]
student	Determine which line passing through the given points has a steeper slope.	13,878	40	[]
student	thats the question	13,878	41	[]
volunteer	ok so lets find the slopes of each using the y2-y1/x2-x1 method	13,878	42	[]
volunteer	can ya?	13,878	43	[]
student	yea	13,878	44	[]
student	0+4/7+9	13,878	45	[]
student	this slope is horizontal mu m=0	13,878	46	[]
student	no	13,878	47	[]
student	nevermind	13,878	48	[]
student	its not	13,878	49	[]
student	haha	13,878	50	[]
student	its 1/4	13,878	51	[]
student	for line 1	13,878	52	[]
student	for line 2	13,878	53	[]
student	4-1/7-0	13,878	54	[]
student	3/7 is the slope	13,878	55	[]
student	line 2 has a steeper slope right	13,878	56	[]
volunteer	yes, 3/7 is bigger that 1/4	13,878	57	[]
student	yay	13,878	58	[]
volunteer	assuming you did it right, ha	13,878	59	[]
student	i did it mentally lol	13,878	60	[]
student	im in Grade 10 honors	13,878	61	[ { "pii_type": "GRADE_LEVEL", "surrogate": "Grade 10 honors", "start": 6, "end": 21 } ]
volunteer	ok	13,878	62	[]
student	im confused on 47	13,878	63	[]
volunteer	hows about 47	13,878	64	[]
volunteer	ill set it uyp	13,878	65	[]
student	ill find the slope on the first line	13,878	66	[]
student	-3/4	13,878	67	[]
volunteer	ok and set that equal to the next line slope form	13,878	68	[]
student	i dont quite get it	13,878	69	[]
volunteer	ok, see board	13,878	70	[]
student	yes	13,878	71	[]
student	-8	13,878	72	[]
student	y=-8?	13,878	73	[]
student	i did that off the top of my head	13,878	74	[]
volunteer	yes!!!!!!!!!!!!!!!!!!!!	13,878	75	[]
student	YAY	13,878	76	[]
volunteer	same thing for question 49	13,878	77	[]
student	could you show me how to do the work	13,878	78	[]
volunteer	only now they are negative reciprocals	13,878	79	[]
volunteer	k	13,878	80	[]
student	instead of doing it in your head	13,878	81	[]
volunteer	i simplifiy first	13,878	82	[]

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