Answers edited by Gerardina C.

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• Question #f7ea2
  
• What is the equation of the tangent line of #f(x)=(xsinx)/e^x# at #x=pi/4#?
  
• If #h(n) = -2n^3 + 1# and #g(n) = -n-3#, what is #h(-2) + g(-2)#?
  
• How do you find the domain and range of #f(x) = - sqrt ( 4x^2 + 2x^4 +5 )#?
  
• How do you simplify #(cot(theta))/ (csc(theta) - sin(theta))#?
  
• How do you differentiate #f(x)=(5e^x+cosx)(x-2)# using the product rule?
  
• What are the extrema of #f(x)=(x^2)/(x^2-3x)+8 # on #x in[4,9]#?
  
• What is the the vertex of #y = (x+6)(x+4) -x+12#?
  
• A rectangular garden has a length of #(y+2)# yards and a width of #(4y-1)# yards. How do you find the perimeter of the garden in terms of #y#?
  
• A landscaper is putting in a brick patio. The area of the patio is 110 square meters. If the bricks measure 10 centimeters by 20 centimeters, how many bricks will it take to make the patio? Assumes no space between bricks?
  
• (The function is cubed) How do you find a and b?
  
• How To Do These Pythagorean Theorem Math Questions?
  
• Question #0b663
  
• If 2^x = 3, what does 4^(-x) equal?
  
• A triangle has sides A, B, and C. Sides A and B are of lengths #6# and #1#, respectively, and the angle between A and B is #(7pi)/12 #. What is the length of side C?
  
• How do you solve #4sin(3x)=2# in the interval #[0,(4pi)/3]#?
  
• How do you find the solution to #csc^2theta-6csctheta+8=0# if #0<=theta<2pi#?
  
• How do you solve #4-12n-14 > 8n +12 -9n#?
  
• How do you find all zeros of the function #x² + 24 = –11x#?
  
• How do you solve #tanx/cosx=2#?
  
• How do you simplify #log_2 (4^2*3^4)#?
  
• How do you find the limit of #(t^2+t-2)/(t^2-1)# as #t->-1#?
  
• How do you condense #1/2log8v+log8n-2log4n-1/2log2j#?
  
• Is #f(x)=-xe^x+x^3-x^2# concave or convex at #x=-2#?
  
• How do you find the midpoint of (-3,0) and (0,6)?
  
• How do you write the equation #-2x^2-36x-2y^2-112=0# in standard form and find the center and radius?
  
• Is #f(x)=10x^5-7x^4+x-4# concave or convex at #x=-1#?
  
• How do you find the first and second derivative of #y=ln [ x / (x^2 - 1) ]#?
  
• How do you find the center and radius for #x^2+y^2-2x-8y+16=0#?
  
• How do you factor #5x^2-17x+14#?
  
• Rectangle ABCD as vertices A(9, 3), B(9, 6), and C(2, 6). What are the coordinates of point D?
  
• How do you factor the trinomial #25w² - 5w - 6#?
  
• How do you solve and graph #abs((2p-8)/4)>=9#?