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M
mrtwhs
replied to the thread
prism
.
Your prism (actually right rectangular prism) consists of two 3 x 4 rectangles, two 3 x 9 rectangles, and two 4 x 9 rectangles. As long...
May 30, 2026
shahar
posted the thread
prism
in
Geometry and Trig
.
i need help by understanding how to answer part b(ב) of the question: There is prism. 1.a.(א) write the measures of the rectnagle that...
May 30, 2026
jonah2.0
replied to the thread
Self-learner path.
.
Beer induced query follows. Algebra 1 & 2? Studying it as in a High School setting or as in reviewing/studying it on your own? Not too...
May 29, 2026
A
apple2357
reacted to
mrtwhs's post
in the thread
Second derivative?
with
Like
.
To be an inflection point, there must be a change in concavity. Neither the first derivative nor the second derivative has to exist at...
May 29, 2026
A
apple2357
reacted to
Dr.Peterson's post
in the thread
Second derivative?
with
Like
.
It isn't always easy to visualize the second derivative, even from a very accurate graph, much less a "sketch". Here (red) is x^(5/3)...
May 29, 2026
A
apple2357
replied to the thread
Second derivative?
.
Thank you. So to clarify: If a curve flattens or straightens near a point, i normally assumed the second derivative was zero there (...
May 29, 2026
Dr.Peterson
replied to the thread
Second derivative?
.
It isn't always easy to visualize the second derivative, even from a very accurate graph, much less a "sketch". Here (red) is x^(5/3)...
May 29, 2026
M
mrtwhs
replied to the thread
Second derivative?
.
To be an inflection point, there must be a change in concavity. Neither the first derivative nor the second derivative has to exist at...
May 29, 2026
A
apple2357
posted the thread
Second derivative?
in
Calculus
.
The graphs of y=x^(5/3) has a point of inflection of x=0 and so does y=x^(7/3). The graphs look very similar. But the second...
May 29, 2026
King Friday
replied to the thread
Self-learner path.
.
Which is why I think High School level geometry will lend itself to use in Trigonometry and thus to Calculus. This is my understanding...
May 28, 2026
King Friday
replied to the thread
Can someone explain this graph?
.
It is rather detailed and I'm making good progress. I'm just noticing some minor shortcomings that matter. Mostly in the chapter tests...
May 28, 2026
Dr.Peterson
replied to the thread
Can someone explain this graph?
.
It's not that there isn't a y-intercept, but that there is no need to write a 0 term in an equation. What we are doing here is...
May 28, 2026
King Friday
replied to the thread
Can someone explain this graph?
.
My question exactly. It's needlessly confusing to a someone early in the path.
May 28, 2026
King Friday
replied to the thread
Can someone explain this graph?
.
So, the absence of the y intercept is to be interpreted as "0" To state it would be redundant?
May 28, 2026
Dr.Peterson
replied to the thread
Can someone explain this graph?
.
Now that you've shown the source of your question, I hope my answer helps; but I'm a little surprised the course would not have included...
May 28, 2026
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