Draw a slope field for each of the following differential equations.
1. dy =x+l
2. dy =2y
4. dy =2x
3. dy =x+y
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Rectilinear motion: motion of a particle on a line
S(t)=x(t)= position at time t
S(t)=v(t)= instantaneous velocity
S(t)= a(t)= acceleration
|v(t)| = speed tells how fast but not direction
Vinstantaneous= slope of tangent line
Vavg= slope o
3-1 to 3-4 Review 2
Verify that the hypothesis of Rolles Theorem are satisfied on the given interval and find all values of c that satisfy the
conclusion of the theorem.
1. f(x) = x2 6x + 8; [2, 4]
Ans: c = 3
2. f(x) = cos x ; ,
3. 41n (x - 1) - V2ln y + 3 In x
4. 51n (x2
+ V4ln y - 31nx - tIn z
X 3 2-73
Find dy for each.
5. Y = x2 In (x2
6. Y = cos (In x)
ij I =
lj -: hi 3
Simple Differential Equations
Find the particular solution to the differential equation given an initial
condition. Sketch the particular solution over the given slope field.
Run the program SLPFLD. Press IENTERI.
Select 1:DERIV OF F(X). E
Below you are given a differential equation, initial condition and slope field.
a) Sketch the solution of the differential equation that passes through the given point.
b) Then use integratiol! to find the particular solution .of the DE.
Drawing Slope Fields
Consider the differential equation dy = 2x.
~ ttLlcucfw_;.b and Qtf.vhI,
1. FInd the s ope 0f t he tan~ent.me at eac h of th e or"oe d pairs oncfw_he"table below.