Answers edited by kubik98

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• Question #cd089
  
• How do you solve #-24= a ^ { 2} - 12\cdot 12a#?
  
• How do you find the x coordinates of all points of inflection, final all discontinuities, and find the open intervals of concavity for #y=(2x+3)^2(x+1)^2# for #[-10,0]#?
  
• If the graph of #f(x) = ax^3+bx^2+cx+d# passes through the points #(0,10)#, #(1,7)#, #(3,-11)# and #(4,-24)# then what are the values of #a, b, c, d# ?
  
• Is #f(x)=x-e^x/sinx# increasing or decreasing at #x=pi/3#?
  
• How do you solve using gaussian elimination or gauss-jordan elimination, #2x + 5y - 2z = 14#, #5x -6y + 2z = 0#, #4x - y + 3z = -7#?
  
• How do you sketch the angle #(11pi)/6# in standard position?
  
• Question #e12fb
  
• How can you simplify the following fraction using prime factorization?: #736/501#
  
• How do you multiply #(2x^2+8)div(x^4-16)/(x^2+x-6)#?
  
• What is the equation of the line that is normal to #f(x)=-3x^2-sinx # at # x=pi/3#?
  
• Question #27259
  
• How do you find the inverse of #f(x)=4x^2+1, x>=0#?
  
• Show that limit of log(2x-3)/2(x-2)=1 as x approaches to 2?
  
• Is #f(x) =(x-2)^2(x+6)(x-3)# concave or convex at #x=0#?
  
• How do you factor completely # 2x^3 + 4x^2 + 6x + 12#?
  
• What is the equation of the normal line of #f(x)= sqrt(e^(2x)-x^2)/(x-1)^2# at #x = 3#?
  
• How do you graph #y=3sqrt(x-2)#, compare it to the parent graph and what is the domain and range?
  
• Expand using DeMoivre's formula? (2sqrt3 -2i)^5
  
• Solve: #5sin theta = 6 cos^2theta -6# for #theta in [0, 2pi]#?
  
• How do you solve #2/(p-1)>=3/4# using a sign chart?
  
• Question #ead56
  
• #lim_(x->0)1/x - 1/(e^x - 1) = # ?
  
• H needs to buy hamburgers and hot dogs for a picnic. He has only $41.00 to spend and must buy a combination of 98 hamburgers or hot dogs. A store charges $.50 per hamburger and $0.25 per hot dog. Write a system of equations to model this problem please?
  
• Q) how to solve by completing the square method ? a) #2x^2+16x+5# b) #6+4x-x^2#