Barrons AP Calculus

18.

(A)

(B)

(C)

(D)

19.

(A)

(B)

(C)

(D)

Which   function    could   be  a   particular  solution    of  the differential    equation

whose   slope   field   is  shown   above?

y   =   sin x

y   =   e−x^2

A   particular  solution    of  the differential    equation        =   x   +   y   passes

through the point   (2,1).  Using   Euler’s method  with    Δx  =   0.1,    estimate    its

y-value at  x   =   2.2.

1.30

1.34

1.60

1.64

Questions 20 and 21. Use the graph below, consisting of two line segments and a quarter-circle. The
graph shows the velocity of an object during a 6-second interval.