Answers created by dani83

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• Question #17455
  
• What is the LCM of #24a^2#, #-60a #?
  
• How do you factor #7(x^2) - 19x - 6#?
  
• How do you find the domain and range of #f(x)=x^2 - 6x - 10#?
  
• What is the complex conjugate of #2 + 7i#?
  
• How do you convert 90 inches to yards?
  
• How do you solve #log (x-1)^2 = log (-5x-1)#?
  
• How do you solve #.05(1.15)^x = 5#?
  
• How do you solve #log(x+1) - log(x-1)=1#?
  
• How do you solve #log(x+1) + log(x-1) = 1#?
  
• How do you solve #log_2 (x) + log_6 (x) = 3#?
  
• How do I use completing the square to describe the graph of #f(x)=30-12x-x^2#?
  
• What it mean to say an infinite series converges?
  
• If #y = a^(1/{1-log_a x})# #Z = a^(1/{1-log_a y})# prove that #x = a^(1/{1-log_a z})# ?
  
• Question #4a311
  
• What is the derivative of #(e^x-e^-x)/(e^x+e^-x)#?
  
• Show that sin 3x = 3 sin x - 4sin^3 x ?
  
• How do you simplify #(sinX-cosX)^2#?
  
• How do you simplify #(cos x/sinx)(1/cosx-sinx/cosx)#?
  
• How do you verify #cosx/(1-sinx)= secx+tanx#?
  
• How do you solve #cosx+1=sinx#?
  
• How do you solve #secx/cosx - 1/2secx= 0#?
  
• What is the solution set of #{3x-2)^(3/5) = 8#?
  
• What is the area under the curve in the interval [2,7] for the function #1/(1 + x^2)^(1/2) #?
  
• How do you prove the identity #(csc theta - 1) / cot theta = cot theta / (csc theta + 1)#?
  
• How do you solve #abs(2x + 3) - 6 = 11 #?
  
• How many gallons of a 15% acid solution must be mixed with 5 gallons of a 20% acid solution to make a 16% acid solution?
  
• How do you graph and find the discontinuities of #y=(-4x-3)/(x-2)#?
  
• Find f"(x) given that 3x²+y²=2 using implicit differentiation?
  
• If 4(x-y^3)-xy=16 ,evaluate dy/dx at the point (2,3)?
  
• How do you find the integral of #sqrt(9-x^2)dx#?
  
• How do you graph #(x-3)^2 + (y-2)^2 = 9#?
  
• How do you graph #(2x^2) /( x^2 - 9)#?
  
• What is the inverse function of #f(x)= absx + 1#?
  
• What is the inverse function of #f(x) = -5x + 1#?
  
• How do you simplify #(2tan(x+1))/(1-tan^2(x+1))#?
  
• Question #5b380
  
• Question #c9838
  
• What is the solution set for #x² + 4x - 3 = 9 + 5x#?
  
• How do you find the range of #f(x)=5x^2+2x-1#?
  
• How do you find the exact functional value sin(60˚+45˚) using the cosine sum or difference identity?
  
• How do you simplify #sin(90 + x)#?
  
• How do you find the nth derivative of #f(x) = sin^4(x) + sin^2(x)cos^2(x)#?
  
• How do you find the second derivative of #sin(x)/(1-cos(x))#?
  
• How do you solve #3abs(2x-6)= 4x-7#?
  
• How do you calculate the derivative of #intarctan t dt # from #[2,1/x]#?
  
• How do you solve #2(5^(6x))-9(5^(4x))+13(5^(2x))-6 = 0#?
  
• How do you simplify #(csc^2 x sec^2 x)/(sec^2 x + csc^2 x) #?
  
• How do use the first derivative test to determine the local extrema #y=x(sqrt(8-x^2))#?
  
• How do you solve #tan(x)^2=2tan(x)#?
  
• How do you prove #1+cos2x=2/(1+tan^2x)# using the double angle identity?
  
• How do you solve #x''(t)+x3=0#?
  
• How do you prove #cos (2x) / (1-sin 2x) = (1 + tan 2x) / (1-tan 2x)#?
  
• How do you find the general solutions for #sqrt{3}(sin(x)) + cos(x) = 1#?
  
• How do you prove the identity #(tan x + sec x - 1) / (tan x - sec x +1) = tan x + sec x#?
  
• How do you prove the identity #cot(x)+sec(x)=(cos(x)+tan(x))/sin(x)#?
  
• How do you verify the identity #(tan x + cos x) /( 1+sin x )= sec x#?
  
• How do you verify the identity #(tan x + cos x) /( 1+sin x )= sec x#?
  
• How do you verify #cot^2 x/ (1+csc x) = (1-sin x)/ sin x#?
  
• How do you verify #-(1/2)sec²(x) = -2sin²(x)csc²(2x)#?
  
• How do you verify #csc ^4 -2csc ^2 x +1 = cot^4 x#?
  
• How do you graph #(6x^2 + 10x - 3) /( 2x + 2)#?
  
• How do you use the Change of Base Formula and a calculator to evaluate the logarithm #log_6 120#?
  
• How do you find the asymptotes for #f(x)= (2x+4) / (x^2-3x-4)#?
  
• How do you calculate the derivative of #int5(sin(t))^5 dt# from #[e^x,5]#?
  
• Question #dce86
  
• How do you find the inflection points of the graph of the function: #f(x)=x^4-6x^3#?
  
• How do you find the inflection points of the graph of the function: # f(x) = (6x)/(x^2 + 16)#?
  
• What is the nth derivative of #sin (ax +b)cos(ax+b)#?
  
• How do you find the general solutions for #cot^2 x +csc x = 1#?
  
• How do you find derivative of #f(x)=cosh(lnx)#?
  
• What is the derivative of #x^(lnx)#?
  
• How do you solve #4tan^2x - 12tanx + 9 = 0# from 0 to 2pi?
  
• How many points of inflection does the function #f(x) = (pi/3)^((x^3)-8)# have?
  
• How do you find the volume of the region bounded by #y = (x)^(1/2)#; #y=0# and #x = 4# rotated about the x-axis?
  
• How do you find the volume of the solid bounded by #x=y^2# and the line #x=4# rotated about the x axis?
  
• How do you verify #(1-cos2x)/ tanx = sin2x#?
  
• How do you solve the identity # 2 sin^2 x = 2 + cos x#?
  
• How do you take the derivative of #tan^2(5x)#?