Questions Answered

erfan1234567:
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Find the derivative of the function.
y = a7 + cos7 x
is this righ? 7cos^6x sinx
 updated one year ago
 31 replies
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erfan1234567:
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If
f(x) = 3 sin x + ln(4x), find f '(x).
…
 updated one year ago
 8 replies
 1 Medal

erfan1234567:
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Find the derivative of the function.
F(t) = e^4tsin 2t
 updated one year ago
 8 replies
 1 Medal

erfan1234567:
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please help me ? Starting from rest, a 5.00 kg block slides 1.50 m down a rough 30.0° incline. The coefficient of kinetic friction between …
 updated one year ago
 3 replies
 1 Medal

erfan1234567:
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just wanna make sure one more time :)
Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
…
 updated 2 years ago
 3 replies
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erfan1234567:
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Use the definition of f′(a) (derivative) to compute f′(a) when
f(x) =4/(x+1)
and a = 2:
…
 updated 2 years ago
 6 replies
 1 Medal

erfan1234567:
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my exam starts in about 30 minuts pls someone helps me with this how can i factor x^32x4 can someone teach me how to factor x^3.....…
 updated 2 years ago
 10 replies
 3 Medals

erfan1234567:
Group Title
how can i factor this?? x^32x4
 updated 2 years ago
 3 replies
 1 Medal