Barrons AP Calculus

(A)

(B)

(C)

(D)

(E)

(A)

(B)

(C)

(D)

(E)

79. 
    

    (A)
    (B)
    (C)
    (D)
    (E)

    
    


80. 
    

(A)

(B)

(C)

(D)

(E)

Find    the area    bounded by  y   =   tan x   and x   +   y   =   2,  and above   the x-axis  on

the interval    [0, 2].

0.919

0.923

1.013

1.077

1.494

An   ellipse     has     major   axis    20  and     minor   axis    10.     Rounded     off     to  the

nearest integer,    the maximum area    of  an  inscribed   rectangle   is

50

79

80

82

100

The average value   of  y   =   x   ln  x   on  the interval    1    x e    is

0.772

1.221

1.359

1.790

2.097

Let     for 0    x  2π. On  which   interval    is  f   increasing?

0   <   x   <   π

0.654   <   x   <   5.629

0.654   <   x   <   2π

π   <   x   <   2π

none    of  these

The table   shows   the speed   of  an  object  (in ft/sec) at  certain times   during  a

6-sec   period. Estimate    its acceleration    (in ft/sec^2 )  at  t   =   2   sec.