Find y' at the specified point. x² + y? = 81, at (0, – 9) y'

Q: Calculate y" and y'''. y = 4t 3 - 9t 2 + 7

A: Given that  y = 4t3 - 9t2 + 7 We have to calculate y'' and y'''. First we find y'. y' = ddty     =…

Q: Find the R.M.S. value of xe* as x varies fromx =1 to x = 3.

A: The given data is: To find the R.M.S value of xex as x varies from x=1 to x=3

Q: Graph the function y=-sin2x on [-pi,0]

A:

Q: use the given condition to write an equation for the line in slope int form  passing through (4,8)…

A: To write an equation for the line in slope int form  passing through (4,8) and (7,3)

Q: xtanx-SeCx

A:

Q: 1 E = 4. UA (10-3) 2(1+v) k UE

A: Just shift epsilon to right side and (1+v) to left side.

Q: Put the function in the form y = ab' and state the values a and b. Enter the exact answers. a = b =…

A:

Q: find the first and second derivatives

A: Given expression: w=3z7-7z3+21z2

Q: find (y" ) for the following equation 3x²-2y'-y=6 at point (2,1)

A: Take the first derivative of the whole term than find y' at given point after this calculate second…

Q: Find Y = Coth 1 (x)

A: Given that y=coth-1x find dydx

Q: Find an equation of the line tangent to the graph of y sin x – 3y = 4 at the point %3D (, 4) .

A: y2sinx - 3y = 4 at (π/2 , 4) we have to find slope of function 2ysinx(dy/dx) + y2cosx -3dy/dx = 4…

Q: What is the value of x if MZMWZ = (15x-5)° and MZWZN = (90 – 4x)°? Your answer

A:

Q: Find y in terms of x. dy 2=x* (32 - x). curve passes through (2,2) dx The solution is y=|

A:

Q: a projectile launched at t=0 (t is measured in seconds) follows a path given by x=30t, y=-5t^2+80t,…

A: Given, a projectile launched at t = 0 second that follows a path x=30t, y=-5t^2+80t where x…

Q: Evaluate y' at the point (2,2) 5x3y - 2x2 = 72

A: The given equation is 5x3y-2x2=72. Rewrite the above equation as follows:…

Q: Differentiate the function. u = Vi + 4Vt3 u' =

A: The given function is,

Q: WXYZ is an isosceles trapezoid with bases WZ and XY and midsegment MN. Use the given information to…

A: Given  WXYZ is a isosceles trapezoid with  MN= 2x+1 XY=8 WZ=3x-3