Questions asked by Yiu A.

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• Let #f(x)=(ln(x))^(sec(x))# . #f'(x) =?#
  
• Let #f(x)= sqrt(|x^3+1|)#. How to show that #f(x)# is not differentiable at #x=-1#?
  
• What is #dy/dx# when #y=(arctanx)^(tanx) , x>0?#
  
• Is the lim exists when #lim_(x->0) f(x)= +- oo?#
  
• How to solve #lim_(x->1) (x^(1/5)-1)/(x^(1/2)-1) ?#
  
• What's the derivative of the function at the given point? #f(x)=1/x^(1/2)# ,at #(1/4,2)#
  
• What's the #f^(-1)(x)# of #f(x)=x^3+1/x+2 ?#
  
• How to find the rate at which water is being pumped into the tank in cubic centimeters per minute? details below:
  
• If #3000# dollars invested in a bank account for #8# years, compounded quarterly, amounts to #4571.44# dollars, what is the interest rate paid by the account?
  
• What must be the altitude of the inscribed cone in order to have the largest possible volume?
  
• How to evaluate this limit?
  
• What's the value of #h# which minimize the perimeter?
  
• What's the value of the two#?# ? I don't understand what's the question is asking actually and have no idea on what method to use to calculate. :(
  
• H0: μ = 100 H1: μ ≠ 100 σ = 10,𝑛 = 100,𝑥̅ = 100,𝛼 = 0.05 Calculate the value of the test statistic, set up the rejection region, determine the p-value, interpret the result, and draw the sampling distribution. How?
  
• How to do this hypothesis testing question?
  
• How to find the p-value?
  
• How to find calculate this?
  
• How to do this hypothesis testing question?
  
• What is the value of this integral #∫_0 ^10 |x−5|dx# ?
  
• What is the displacement of this question?
  
• How to do this integral question?
  
• How to evaluate this indefinite integral #∫[10sin(x)]/[1+cos^2(x)]dx#?
  
• How to use Fundamental Theorem of Calculus. to solve this?
  
• How to use substitution to solve this integral? #∫_0^1dx/(sqrtx+5root(3)x)#
  
• Is this asking for the confidence interval? If so, how to calculate?
  
• How to do this regression question?
  
• Can this be solved? #int ((sqrtx+1)/(2sqrtx))^4dx#
  
• Am I doing this regression problem wrongly?? Please help! Thank you!
  
• How to calculate the probability of a Type II error?
  
• Can I ask questions about a subject that haven't been launched? I would like to ask questions about accounting here but there's not enough founder yet and I can't choose "Accounting" as the subject of the question. It's bad to catagorize question wrongly.
  
• There is a right circle cyclinder inside a sphere with radius #8m#. What is the largest surface area of the right circle cyclinder?
  
• How to do this MC?
  
• What is the volume? and how to change the unit of the following question? I'm not sure about the (b) part.