Answers edited by Jim S

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• For what values of x is #f(x)= -5x^3+2x^2-3x-12 # concave or convex?
  
• Show that #int_0^1sinx/sqrt(x^2+1)dx<sqrt2-1# ?
  
• Question #22a38
  
• Show that #lim_(x to +oo)f'(x)=0# ?
  
• Question #60d52
  
• How do you solve #3( v + 94) - - 66= 96#?
  
• Question #8b406
  
• Question #c5542
  
• Test #f# for concavity?
  
• Y=7xe^x2 help me diffrentiate?
  
• Question #fa896
  
• Question #f87ec
  
• Question #d2302
  
• Question #c246f
  
• What intervals is this function: #f(x)= x^5(lnx)# increasing and decreasing?
  
• How do you solve #7- 4( x - 1) \geq - ( x + 1)#?
  
• Help with this extrema problem?
  
• How do you find #lim_(x->∞)(x+2sinx-1)/(x+3cosx+1)#?
  
• How do you find #lim sqrt(2x+3)-sqrtx# as #x->oo#?
  
• How do you simplify and find the restrictions for #(x^2+3x-18)/(x^2-36)#?
  
• How can I determine the graph using the properties ?
  
• Find #f# ?
  
• Question #1f1cc
  
• How do you find #lim_(x->0^+)(sinx)^x#?
  
• Question #d3ab0
  
• How do you solve #\frac { 56} { x - 2} = x - 3#?
  
• Question #9822d
  
• Find the function with the given derivative whose graph passes through the point p g'(x)= #1/x^2#+2x ,p(-1,1) HELP ME PLEASE??
  
• How do you solve #-(5- m ) = - ( 3n + 5)#?
  
• How do you find the intervals of increasing and decreasing using the first derivative given #y=abs(x+4)-1#?
  
• What the limit of (1/x)^1/x as x approaches #oo#? help me please
  
• Question #e4aeb
  
• What percent of 100 is 2?
  
• How do you solve #-27< 4.5( 4- n )#?
  
• How do you solve #x-ln(4-x^2)=0#?
  
• Question about projecting limits for an even and odd theoretical function?
  
• Question #45820
  
• How do you differentiate the following parametric equation: # x(t)=t-(t+1)e^t, y(t)= t^2-e^(t-1) #?
  
• How do you find the domain and range of #y= Ln(6-x) +2#?
  
• If... #f^-1 ((x + 1)/x) =x^3# Find #f^-1 (2) + f(8)#...?
  
• Question #e7772
  
• Is #f(x)=(4x^3+2x^2-2x-3)/(x-2)# increasing or decreasing at #x=-1#?
  
• How do you solve 2^3x = 3e^x ? Thanks
  
• How do you graph #f( x ) = - \log x - 5#?
  
• Question #eacc1
  
• Show that #x/2<##f(x)##<##xf'(x)# , #AAx>0# ?
  
• How do you find the relative extrema for #f(x)=(x^4)+(4x^3)-12#?
  
• Question #e484b
  
• Question #8fb28
  
• Question #e007a
  
• How do you solve #e^ { x ^ { 2} } = \frac { e ^ { 15} } { ( e ^ { x } ) ^ { 2} }#?
  
• Show that #f# has at least one root in #RR# ?
  
• Question #0272d
  
• Question #61e49
  
• What is the domain and range of #f(x)={ x^2 - 81 }/ {x^2 - 4x}#?
  
• What is the range of the function #h(x) = ln(x+6)#?
  
• Question #8e511
  
• Question #ac91f
  
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