Answers created by Badr A.

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• If a spring has a constant of #4 (kg)/s^2#, how much work will it take to extend the spring by #29 cm #?
  
• Consider two vectors A=3i - 1j and B = - i - 5j, how do you calculate A - B?
  
• Is #f(x)=(x^3-5x^2-x+2)/(2x-1)# increasing or decreasing at #x=0#?
  
• How do you find the discriminant of the function #f(x) = 2x^2-6x-3# and determine how many roots the function has?
  
• How do you differentiate #(x^2)arcsin(x^2)#?
  
• How do you find the equation of a circle center of (5,-2) and a radius of 2?
  
• How do you solve #128/-g<4#?
  
• Given the acceleration as (3t^2+2)i+6e^(-2t) j+10cos 5tk, find the magnitude of velocity at t=0?
  
• What is the integral of #int x sin^2(x) dx#?
  
• The width of a rectangle is 6 2/3 inches. The length of the rectangle is twice its width. What is the perimeter of the rectangle? a. 20 inches b. 40 inches c. 30 2/3 inches d. 88 8/9 inches
  
• How do you find the derivative of #(e^(2*x)-e^(-2*x))/(e^(2*x)+e^(-2*x))#?
  
• Int 1/1+x^6 =?