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MathLover1 replied to the thread Find Numbers Where f is Discontinuous...2.
at x = 1, f is only on left side, x=1 is a hole, no function on right side=> f is discontinuous at x = 1
May 20, 2022 at 11:14 PM 
MathLover1 replied to the thread Use Continuity to Evaluate Limit...2.
correct you also need to do evaluation to show it's 8
May 20, 2022 at 11:10 PM 
MathLover1 replied to the thread Use Continuity to Evaluate Limit...3.
correct
May 20, 2022 at 11:08 PM 
MathLover1 replied to the thread Find Numbers Where f is Discontinuous...3.
correct
May 20, 2022 at 10:56 PM 
nycmathguy posted a new thread.
Use Continuity to Evaluate Limit...3
Calculus Section 2.5 [ATTACH] Question 37 [ATTACH] As x tends to 1, the yvalue goes to ln(2) = 0.693147. You say?
Forum: Calculus
May 20, 2022 at 10:36 PM 
nycmathguy posted a new thread.
Use Continuity to Evaluate Limit...2
Calculus Section 2.5 [ATTACH] Question 35 [ATTACH] As x tends to 2, the yvalue goes to 8. The limit is 8.
Forum: Calculus
May 20, 2022 at 10:32 PM 
MathLover1 attached a file to the thread Removable Discontinuity...2.
[ATTACH] , so [ATTACH] if x=3, f(x) is undefined and has a hole which we removed so, f(x)=x4 is continuous
May 20, 2022 at 10:15 PM 
nycmathguy posted a new thread.
Find Numbers Where f is Discontinuous...3
Calculus Section 2.5 [ATTACH] Question 45 [ATTACH] At x = 0, I say f is discontinuous. Why? LHL does not equal RHL. At x = 1,...
Forum: Calculus
May 20, 2022 at 10:15 PM 
nycmathguy posted a new thread.
Find Numbers Where f is Discontinuous...2
Calculus Section 2.5 [ATTACH] Question 43. [ATTACH] I say is discontinuous at x = 1. LHL does not equal RHL. At x = 1, LHL =...
Forum: Calculus
May 20, 2022 at 10:10 PM 
MathLover1 replied to the thread Find Numbers Where f is Discontinuous...2.
Question 41? it's not there
May 20, 2022 at 10:08 PM 
nycmathguy posted a new thread.
Find Numbers Where f is Discontinuous...2
Calculus Section 2.5 [ATTACH] [ATTACH] Question 41 I see holes, gaps or jumps. I say f is continuous. What about sharp turns? Is a...
Forum: Calculus
May 20, 2022 at 10:03 PM 
nycmathguy posted a new thread.
Removable Discontinuity...2
Calculus Section 2.5 [ATTACH] [ATTACH]
Forum: Calculus
May 20, 2022 at 9:58 PM 
UmYeah posted a new thread.
Check my math  electric cars and the grid
I set out for a rough number on how much electricity the USA needs for a 100% electric cars. The answer is a little shocking and hard...
Forum: Basic Math
May 20, 2022 at 5:02 PM 
nycmathguy replied to the thread Number of Possible Passwords.
A much better explanation. Back to Calculus later today and throughout the weekend. Thanks.
May 20, 2022 at 2:38 PM 
nycmathguy liked MathLover1's post in the thread Number of Possible Passwords.
note: each password must be at least 9 digits long > since there are 10 digits in all, means password could be 9 digits long or 10...
May 20, 2022 at 2:38 PM