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L.J
Questions (7)
A man starts walking north at 3ft/s from a point P. Five minutes later, a woman starts walking south at 6ft/s from a point 500ft
0 answers
991 views
Two cars start moving from the same point. One travels south at 28mi/h and the other travels west at 50mi/h. At what rate is the
1 answer
964 views
if a snowball melts so that its surface area decreases at a rate of 1 cm^2/min, find the rate at which the diameter decreases
0 answers
609 views
a plane flying horizontally at an altitude of 2 mi and a speed of 460 mi/h passes directly over a radar station. find the rate
0 answers
634 views
the displacement (in meter) of a particle moving in a straight line is given by the equation of motion s=5t^3+4t+2, where t is
0 answers
561 views
the cost (in dollars) of producing x units of a certain commodity is C(x)=5090+13x+0.09x^2. Find the average rate of change with
1 answer
730 views
Find a, such that the function f(x)=3x+rad(a-x^2) has the domain [-6,6].
0 answers
328 views
