Math
233A
Name
Homework
#29
Chapter
5.8:
Polynomial
Equations
1.
Solvefora:
2. For/(;c) = -1 Ix + 2, fmd
all
the values of
12a''
=
l6a^
+
3a a for
which
/{a) = -4.
3.
A gymnast dismounts the uneven
parallel
bars
at a height of
8
feet
with
an
initial
upward
velocity
of
8
feet per second. The function
s{t)=-\&^
+
%t
+
%
describes the height of the
gymnast's feet above the ground,
5
(/), in feet, t
seconds after
dismounting.
When
will
the
gymnast be 8 feet above the ground (show by
setting the function equal to 8 and factor)?
"""X
\
0 0.5 1 1.5 2
Time (MCond^
4.
The outer dimensions of a rectangular picture
frame measures 23 cm by 28 cm. The picture
itself
has an area of
414
sq. cm.
Find
the
width
of
the frame.
^—
—k
23
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