Answers created by dani83

• Back to user's profile
• 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)`?