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Maths & Physics Help

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twilight:
ok .. look
for the final answer u have to put ur answer to 3 SF but to 1 DP for degrees
so while doing the question put ur answer to 4 SF or 2 DP in case of degrees

hope u get ur answers accurate

SGVaibhav:
nice
+rep

unknown:
k is an integer for which the equation f(x) = k has exactly two solutions.
Use the graph to find the two values of k.

wht do u mean by this n ya i require help in d specimen paper q of 2009 maths paper part 4f,g

plz its urgent
thx in advance n ya d ans for phy 2
d q is
(b) Describe how the circuit works as the external light intensity decreases and the lamp
comes on.
its frm oct nov 2008
plz with proper explaination

astarmathsandphysics:
Am on a mobile phone. Can someone have a go.

hyebyekadal:
its easy fina a value of x which has 2 values on the y axis as f(x)=y
im not too sure becuase i did this paper long time ago and dont have it with me now so ya i got kinda confused to but look carfully ull find that theres only 2 points on graph line were theres 2 points which have same y value but diff x values .. others have 3 or 1....im in a hurry so..

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