dainel40
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Questions Asked

dainel40:
Group Title
Find the point on the line
y = 9x closest to the point (1, 0).
…
 updated 8 months ago
 1 reply
 No Medals Yet
Mathematics

dainel40:
Group Title
Determine whether Rolle's Theorem can be applied to the function on the given interval; if so, find the value(s) of c guaranteed by the theo…
 updated 8 months ago
 1 reply
 1 Medal
Mathematics

dainel40:
Group Title
Find the critical numbers of the function on the interval 0 ≤ θ < 2π.
f(θ) = 2cos(θ) + (sin(θ))^2
…
 updated 8 months ago
 36 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
While watching a small fireworks display from a building 204 feet tall, you observe a rocket that travels from ground to eye level in 6 seco…
 updated 8 months ago
 60 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
Question Part
Points
…
 updated 8 months ago
 No Medals Yet
Mathematics

dainel40:
Group Title
If f(3) = 14 and f '(x) ≥ 3 for 3 ≤ x ≤ 7, how small can f(7) possibly be?
 updated 8 months ago
 17 replies
 2 Medals
Mathematics

dainel40:
Group Title
The resistance R of a copper wire at temperature
T = 27° C is R = 18 Ω. Estimate the resistance at
T = 31° C, assuming that
…
 updated 8 months ago
 1 reply
 No Medals Yet
Mathematics

dainel40:
Group Title
Use differentials to approximate the error and relative error in using the given measurement to calculate the value of the function, if the …
 updated 8 months ago
 20 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
Find the equation of the tangent line to the curve at the given point.
y = 2 sec^2(x) at the point with xcoordinate
π/4.
 updated 9 months ago
 2 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
Determine all x in [−π/2, π/2] at which the graph has horizontal tangents
F'(x) = 4cos^3(x)/(sin^2(x)+1)^2
…
 updated 9 months ago
 9 replies
 2 Medals
Mathematics

dainel40:
Group Title
Determine all x in [−π/2, π/2] at which the graph has horizontal tangents
F'(x) = 4cos^3(x)/(sin^2(x)+1)^2
 updated 9 months ago
 6 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
Find the rate of change.
Area of a square with respect to its side
s
…
 updated 9 months ago
 No Medals Yet
Mathematics

dainel40:
Group Title
Question Part
Points
…
 updated 10 months ago
 19 replies
 2 Medals
Mathematics

dainel40:
Group Title
Solve the following equation, giving the exact solutions which lie in [0, 2π). (Enter your answers as a commaseparated list.)
tan^2(x)=3…
 updated 10 months ago
 13 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
Write the expression below so that only a single logarithm or exponential function appears.
(1/2)ln(z) − ln(5 + x) − 4 ln(y)
 updated 10 months ago
 115 replies
 1 Medal
Mathematics

dainel40:
Group Title
Express the interval
(−2, 6) in terms of an inequality involving absolute value. (Use the variable x to describe the interval.)
 updated 10 months ago
 21 replies
 2 Medals
Mathematics

dainel40:
Group Title
If a ball is thrown upwards from a platform 4 feet high with an initial velocity of 80 ft/sec, its height h (in feet) above the ground t se…
 updated 11 months ago
 2 replies
 1 Medal
Mathematics

dainel40:
Group Title
A rectangular box which is open at the top can be made from an 12by30inch piece of metal by cutting a square from each corner and bending…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
A baseball team plays in a stadium that holds 51,000 spectators. With ticket prices at $10, the average attendance had been 38,000. When tic…
 updated one year ago
 29 replies
 1 Medal
Mathematics

dainel40:
Group Title
A baseball team plays in a stadium that holds 51,000 spectators. With ticket prices at $10, the average attendance had been 38,000. When tic…
 updated one year ago
 No Medals Yet
Mathematics

dainel40:
Group Title
What is the domain of 1/(4 (5sqrt(x))^(3/2)sqrt(x))
 updated one year ago
 8 replies
 1 Medal
Mathematics

dainel40:
Group Title
(3 (4+sqrt(x)))/(2 x^3)
Write all xvalues (if any) at which the tangent line to the graph would be horizontal. (Enter your answers as a…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

dainel40:
Group Title
A single conservative force F(x) acts on a particle of mass m that moves along an x axis. The potential energy U(x) associated with F(x) is …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

dainel40:
Group Title
The coefficients of friction between a 2.0 kg block and a surface are μs = 0.60 and μk = 0.25. Assume the only other force acting on the bl…
 updated one year ago
 No Medals Yet
Mathematics

dainel40:
Group Title
The first figure gives spring force Fx versus position x for the spring–block arrangement of the second figure. The scale is set by Fs = 190…
 updated one year ago
 16 replies
 1 Medal
Mathematics

dainel40:
Group Title
A luge and its rider, with a total mass of 63 kg, emerge from a downhill track onto a horizontal straight track with an initial speed of 34 …
 updated one year ago
 No Medals Yet
Mathematics

dainel40:
Group Title
Find the limit of this look at the attached file
 updated one year ago
 21 replies
 1 Medal
Mathematics

dainel40:
Group Title
Base your answers to the following four questions on the position vs. time and velocity vs. time graphs below representing the motion of an …
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
There are two forces on the 2.61 kg box in the overhead view of the figure but only one is shown. For F1 = 13.2 N, a = 14.4 m/s2, and θ = 28…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

dainel40:
Group Title
The magnitude of F is 384 newtons and it points at 344o measured counterclockwise from the positive xaxis. What is the x component (in newt…
 updated one year ago
 No Medals Yet
Mathematics
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