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general the equation of the tangent lines to this graph
and ssee which tangent line passes thru point (4,-1)
@dan815 yeah... i know the eqn would be y = mx +c...? how would i fiind my x y coordinate on the graph?
oh no thats wrong umm wait
ohh i know u cud do this working backwards
ok... how backwards...?
it something like this right
so write an expression for slope of the function between point 4,-1 and a point on graph and see where the slope of the function =s this
ok... actually sorry the eqn was meant to be -9x - 9, but the method will work for either, so ok
so u get 2 simultaenous equations to solve
write an expression for slope of the function between point 4,-1 and a point on graph and see where the slope of the function =s this... sorry dude u lost me here? which point should i choose...?
oh oops miss wrong the first function
now make those 2 equations = toeach other and solve
these are the 2 points
DAN I ALREADY DID THE PROBLEM STOP WASTING YOUR TIME :D
solve this i wanna see what x u get
sgh|dw:1371025622042:dw| dude i cant read this, im really sorry what are my 2 points im doing the sim eqns for?
i know one's derivative, yes?
and the other is from these 2 pts
@Jack1 I did the whole problem for you if you would just scroll up
ur answers are -2,2,11/2?
sorry dude, pen and paper, still solving
i tried solving it on wolfram, check if those are really ur answer, or maybe we doing something wrong xD
11/2 makes sense i dunno how wolfram gives the other 2
the function undulates, so there are 3 possible points where the tangent would pass through the point 4, -1
you guys are noobs
ok nvm they are all right
and you're pi55ed you didnt get the medal @future, so fark off u arrogant d1ck
i forgot ur function was -9x-9
lol futue is just joking dont worry about him
Reported. GF with your ban
awww. did future tell on me...? Go have a cry coz no-one's worshipping u, ya tool Maybe if you're not so pushy, people may respect u
cheers for the help @dan815 slaters
You're still gonna get banned ,doesn't bother me