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Questions Answered

v.s:
Group Title
Find
y' and y''.
y = eαx sin βx
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

v.s:
Group Title
Find the derivative of the function.
y = cos [(1 − e^7x)/(1 + e^7x)]
…
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

v.s:
Group Title
Find the derivative of the function.
y = cos [(1 − e^7x)/(1 + e^7x)]
…
 updated one year ago
 12 replies
 No Medals Yet
Mathematics

v.s:
Group Title
Find the derivative of the function.
y = [(x2 + 4)/(x2 − 4)]^3
…
 updated one year ago
 11 replies
 No Medals Yet
Mathematics

v.s:
Group Title
Find the limit.
lim 3 − 3 tan x/sin x − cos x
x→π/4
…
 updated one year ago
 28 replies
 1 Medal
Mathematics

v.s:
Group Title
(b) Find the position, velocity, and acceleration of the mass at time t = 5π/6.
x(t) = 8 cos t
v(t) = 8sint
…
 updated one year ago
 19 replies
 1 Medal
Mathematics

v.s:
Group Title
x(t) = 8 cos t
v(t) = 8sint
a(t) = ?
 updated one year ago
 6 replies
 2 Medals
Mathematics

v.s:
Group Title
Differentiate.
f(θ) = sec θ/3 + sec θ
…
 updated one year ago
 21 replies
 1 Medal
Mathematics

v.s:
Group Title
Differentiate with respect to t.
y = b cos t + t2 sin t
 updated one year ago
 30 replies
 1 Medal
Mathematics

v.s:
Group Title
Suppose that
f(5) = 1, f '(5) = 9, g(5) = −3, and g'(5) = 5.
Find the following values.
…
 updated one year ago
 10 replies
 1 Medal
Mathematics

v.s:
Group Title
Find f '(x) and f ''(x).
f(x) = x^8ex
f '(x) =
…
 updated one year ago
 26 replies
 2 Medals
Mathematics

v.s:
Group Title
Differentiate.
F(y) =
…
 updated one year ago
 17 replies
 No Medals Yet
Mathematics

v.s:
Group Title
Find the first and second derivative of the function. Check to see that your answers are reasonable by comparing the graphs of
f, f ', and…
 updated one year ago
 5 replies
 1 Medal
Mathematics

v.s:
Group Title
Find equations of the tangent line and normal line to the curve at the given point.
y = x^4 + 4e^x, (0, 4)
tangent line y =
…
 updated one year ago
 25 replies
 1 Medal
Mathematics

v.s:
Group Title
y = 8x^2 + 2x + 2/sqrootx
…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

v.s:
Group Title
Find the limit, if it exists. (If an answer does not exist, enter DNE.)
lim sqroot t+ t^2/6t − t^2
…
 updated one year ago
 32 replies
 No Medals Yet
Mathematics

v.s:
Group Title
(a) If
F(x) = 12x/(3 + x^2),
find F '(3) and use it to find an equation of the tangent line to the curve
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

v.s:
Group Title
For what value of the constant c is the function f continuous on (−, )?
f(x) =
cx2 + 2x if x < 3
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

v.s:
Group Title
Find the derivative of the function using the definition of derivative.
g(x) = sqroot8 − x
g'(x) =
 updated one year ago
 9 replies
 1 Medal
Mathematics

v.s:
Group Title
a student is asked to determine the concentration of a solution of NaOH. the student performs four analyses of the solution and obtain conce…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

v.s:
Group Title
helpp
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

v.s:
Group Title
help
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

v.s:
Group Title
(c) In terms of the ε, δ definition of
lim f(x) = L,
x→a
…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

v.s:
Group Title
A machinist is required to manufacture a circular metal disk with area 500 cm2.
(a) What radius produces such a disk? (Round your answer to…
 updated one year ago
 9 replies
 1 Medal
Mathematics

v.s:
Group Title
Find a number δ such that if x − 1 < δ, then 4x − 4 < ε, where ε = 0.1.
δ ≤
…
 updated one year ago
 4 replies
 2 Medals
Mathematics

v.s:
Group Title
Use the given graph of f to find a number δ such that
if
x − 1 < δ then f(x) − 1 < 0.2
 updated one year ago
 6 replies
 1 Medal
Mathematics

v.s:
Group Title
If 3x − 5 ≤ f(x) ≤ x2 − 3x + 4 for x ≥ 0, find
lim f(x).
x→3
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

v.s:
Group Title
Evaluate the function f(x) at the given numbers (correct to six decimal places).
f(x) = x^2 − 3x/x^2 − x − 6 , x = 3.5
 updated one year ago
 16 replies
 1 Medal
Mathematics

v.s:
Group Title
heeeeeeeeeeeeeeeeeeeeeelp!!!!
 updated one year ago
 10 replies
 1 Medal
Mathematics

v.s:
Group Title
Express the given quantity as a single logarithm.
1/5 ln(x + 2)^5 + 1/2 [ln x − ln(x^2 + 3x + 2)^2]
…
 updated one year ago
 37 replies
 3 Medals
Mathematics
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