2
19 What is the axis of symmetry of the graph of the equation x = y
?
Use this space for
computations.
(1) x-axis
(3) line y = x
(2) y-axis
(4) line y = –x
20 The cells of a particular organism increase logarithmically. If g
represents cell growth and h represents time, in hours, which graph best
represents the growth pattern of the cells of this organism?
g
g
h
h
( 1 )
( 3 )
g
g
h
h
( 2 )
( 4 )
[7]
[OVER]
Math. B –Jan. ’04