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  1. omgmynameislong

    Graphs

    Say you were given a graph like cosecx and they tell you to draw 1/f(x), will there be open circles the intercepts or not? eg. They give you some parabola looking thing like cosecx called f(x) with asymptotes, will there be open circles for intercepts for 1/f(x) or none like sinx?
  2. omgmynameislong

    domain

    Whats the domain of inverse sinx . inverse cos x/2
  3. omgmynameislong

    projectile

    A long jumper left the ground at an angle of 15 degrees and jumped a distance of 7.0m. Considering this result, calculate the velocity of the long jumper leaving the ground. ??????
  4. omgmynameislong

    Concavity

    The point (1.6) lies on the curve y=f(x). If f''(x) = 12(x-1)^2, determine whether (1,6) is a point of inflexion or not. Subbing in 1 gives 0 for the 2nd derivative but the answer says it isn't a pt of inflexion ?_?...
  5. omgmynameislong

    Torque & Force

    Torque is like an |cosx| graph while Force is a constant (straight line)? Teacher says that force is the same as the torque graph but shouldn't it be constant as the wire will always be perpendicular to the magnetic field no matter how it turns?
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