Questions Answered

lawls:
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Draw two perpendicular lines that cross the yaxis and are tangent to the parabola y=x^2 . Where do these lines intersect? x= ____ y=____
 updated 8 days ago
 23 replies
 2 Medals

lawls:
Group Title
Find all values of x where the tangent lines to y=x^7 and y=x^8 are parallel.
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 updated 9 days ago
 13 replies
 1 Medal

lawls:
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how do you solve this question? the problem is attached as an image.
 updated 9 days ago
 2 replies
 No Medals Yet

lawls:
Group Title
Suppose that f(x) = (4x+12)/x. Evaluate the following: f'(2) = ? f'(5)= ?
 updated 9 days ago
 16 replies
 2 Medals

lawls:
Group Title
How would you go about solving these problems? The question is attached as an image.
 updated 9 days ago
 17 replies
 2 Medals

lawls:
Group Title
Determine coefficients a and b such that p(x)=x^2+ax+b satisfies p(1)=2 and p′(1)=11.
 updated 9 days ago
 24 replies
 5 Medals

lawls:
Group Title
For what value(s) of x does the graph of
f(x)=2x^3−3x^2−72x
have a horizontal tangent?
 updated 9 days ago
 12 replies
 1 Medal

lawls:
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Please help!! How do you answer this problem? The question is attached as an image.
 updated 12 days ago
 48 replies
 3 Medals

lawls:
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how do you solve this problem? the question is attached as a image.
 updated 14 days ago
 10 replies
 No Medals Yet

lawls:
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how do you solve this problem? the question is attached as a image.
 updated 14 days ago
 1 reply
 No Medals Yet

lawls:
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How do you solve this problem? I have attached the question as an image.
 updated 15 days ago
 2 replies
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lawls:
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How do you solve this question? The question is attached as an image.
 updated 15 days ago
 1 reply
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lawls:
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How do you solve this question? The question is attached as an image.
 updated 15 days ago
 39 replies
 3 Medals

lawls:
Group Title
Let f(x)=4x^(1/3). Then according to the definition of derivative
f'(x) = limit as t approaches x is [4t^(1/3)  4x^(1/3)] / (tx). Taking…
 updated 15 days ago
 1 reply
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lawls:
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Can anyone help me with this question? The question is attached as an image. I think I've got two parts of it down but I'm not sure about th…
 updated 22 days ago
 69 replies
 2 Medals

lawls:
Group Title
Let f(x)=x^2+3x. Find the slope of the tangent line at (4,f(4)).
Slope of tangent line =
 updated 22 days ago
 5 replies
 1 Medal

lawls:
Group Title
How do you do this problem? I have attached the question as an image.
 updated 22 days ago
 9 replies
 2 Medals

lawls:
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How do you solve this problem? The question is attached as an image.
 updated 22 days ago
 19 replies
 4 Medals

lawls:
Group Title
Evaluate the limit s^5  b^5 / s^2  b^2 as s approaches b.
 updated 23 days ago
 16 replies
 1 Medal

lawls:
Group Title
Evaluate the limit. lim (b^3  1)/ (b^2 1) as b approaches 1.
 updated 23 days ago
 18 replies
 2 Medals

lawls:
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How do you solve this question? I got an answer but the computer says it's wrong. The question is attached as an image.
 updated 23 days ago
 3 replies
 2 Medals

lawls:
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How do you solve this question? The problem is attached as an image. I think it has something to do with limits but I'm not sure.
 updated 23 days ago
 12 replies
 1 Medal

lawls:
Group Title
Evaluate the limit assuming that lim g(x)=1as x approaches 3:
what is lim g(x)/x^2 as x approaches 3?
 updated 23 days ago
 5 replies
 2 Medals

lawls:
Group Title
Need help please!!
A submicroscopic particle suspended in a solution has a volume 1.3um^3. What is this volume in liters?
um = micrometers …
 updated one month ago
 13 replies
 1 Medal

lawls:
Group Title
how would you write and inequality for w+7>5 without using any absolute values?
 updated one month ago
 10 replies
 No Medals Yet

lawls:
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Suppose the distance between w and −7 is greater than 5. Write an inequality, not involving absolute values, that describes this situation.
 updated one month ago
 9 replies
 2 Medals

lawls:
Group Title
Solve the equation. 1/2−9x=1
 updated one month ago
 20 replies
 3 Medals

lawls:
Group Title
Suppose the distance between x and zero is less than 1. Write an inequality, not involving absolute values, that describes this situation.
 updated one month ago
 6 replies
 1 Medal

lawls:
Group Title
xabs(x6) = 45x+7. Solve for x.
 updated 2 months ago
 29 replies
 3 Medals

lawls:
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What is the inverse of f(x)=10^x ?
 updated 2 months ago
 11 replies
 2 Medals
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