Questions asked by Sam E.

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• Lim x-> infinity 7/((e^x)+2) evaluate ?
  
• Evaluate the following limit. If the answer is positive infinite, type "I"; if negative infinite, type "N"; and if it does not exist, type "D". lim x->infinity tan^-1(x^2-x^4)?
  
• Let #f(x) = 5 + 3 x^2#. If h cannot equal 0, then the difference quotient can be simplified as (f(x+h)-f(x))/h = Ah + Bx + C,?
  
• Let f(x) = -2 x + 5 x^2. Then the expression (f(x+h)-f(x))/h?
  
• (1 pt) If an arrow is shot straight upward on the moon with a velocity of 60 m/s, its height (in meters) after t seconds is given by s(t) = 60 t - 0.83 t^2. ?
  
• Let f(x) = x + #sqrt(x)#?
  
• If f(x) = 5 x + 8, find the instantaneous rate of change of f( x ) at x=-7 ?
  
• Let f(x)= (5/9x^3)+(1/8x^5). evaluate ?
  
• Let f(x)= (5)/(9x^3)+(1)/(8x^5) evaluate?
  
• Find the equation of the tangent line to the curve y=x^4+2 e^x at the point (0,2)?
  
• Evaluate (d/dx)(e^((3x^2)+3x))?
  
• A bacteria culture starts with 520 bacteria and grows at a rate proportional to its size. After 6 hours there will be 3120 bacteria. ?
  
• Find the linear approximation of f(x)=ln x at x=1 and use it to estimate ln(1.19 )?
  
• Find the equation of the tangent line to the curve #y=x^4+2 e^x# at the point #(0,2)#.?
  
• Consider the function #f(x) = 1/x# on the interval #[4, 11]# and answer the following?
  
• A thermometer is taken from a room where the temperature is 23 ^o C to the outdoors, where the temperature is -15 ^o C. After one minute the thermometer reads 11 ^o C. ?
  
• A particular radioactive isotope decays from 200 milligrams (mg) to 178 mg in 9 days. Find the half life of the isotope.?
  
• Physics Vectors?
  
• Physics, Vectors?
  
• The position of an electron is given by #vecr=3.63t hati - 5.73t^2 hatj + 8.16 hatk#, with #t# in seconds and r in meters?
  
• Calculate the ratio of the drag force on a jet flying ?
  
• Physics. Work Problem?
  
• Center of Mass and Linear momentum Problem?
  
• Physics? I tried it and my incorrect answer is show below please help
  
• Physics Problem?
  
• Physics Angular accelerations?
  
• Physics speed vs time graph?
  
• Inertia and kinetic energy?
  
• Circular Loop Question?