Questions Answered

dpaul:
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PLEASE HELP!! The region enclosed by the line x + y = 1 and the coordinate axes is rotated about the line y = 1. What is the volume of the…
 updated 2 years ago
 15 replies
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dpaul:
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A particle moves along the curve given by y =(_) . Find the velocity at 2 secs
 updated 2 years ago
 1 reply
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dpaul:
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PLEASE HELP!! > A balloon rises at a rate of 4 meters per second from a point on the ground 40 meters from an observer. What is the rate o…
 updated 3 years ago
 11 replies
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dpaul:
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The relative maximum of f(x)=50x/x^2+3
PLEASE EXPLAIN
 updated 3 years ago
 10 replies
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dpaul:
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f(2)=6, f'(2)=4, and f''(2)=2. What is d^2(f^3(x))/dx^2 at x=2? PLEASE EXPLAIN!
 updated 3 years ago
 6 replies
 3 Medals

dpaul:
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Let f(x)=x^3+Ax^2+Bx15 be a function whose graph has a minimum at x=2 and a point of inflection at x=3. Find the values of A and B
 updated 3 years ago
 4 replies
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dpaul:
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Differentiate y = 3x^2 – 5sin3x
 updated 3 years ago
 4 replies
 2 Medals

dpaul:
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sin 7pi/6 = ?
 updated 3 years ago
 5 replies
 12 Medals

dpaul:
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If f(x) = sin^2(3x), f'(0)=
 updated 3 years ago
 8 replies
 2 Medals

dpaul:
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(lim h>0) cos(pi/2+h)cos(pi/2)/h
 updated 3 years ago
 3 replies
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dpaul:
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Differentiate: y=1+cosx/1cosx
 updated 3 years ago
 7 replies
 1 Medal

dpaul:
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Find (lim x>1) x^2+x2/x3
 updated 3 years ago
 5 replies
 1 Medal

moneysotrue:
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Let f(x)=x^37x^2+25x39 and let g be the inverse function of f. What is the value of g'(0)?
 updated 3 years ago
 8 replies
 2 Medals

dpaul:
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Find the derivative of sin^3 4x
 updated 3 years ago
 2 replies
 3 Medals