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Math
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Advanced Math
·
Equivalent expressions
hard
Functions
f
and
g
are given by
f
(
x
)
=
x
2
+
b
x
and
g
(
x
)
=
9
x
2
−
63
x
, and in function
f
,
b
is a constant. If
f
(
x
)
⋅
g
(
x
)
=
9
x
4
−
62
x
3
−
7
x
2
, what is the value of
b
?
A
−
62
B
−
9
62
C
9
1
D
9
Functions \(f\) and \(g\) are given by \(f(x) = x^{2} + bx\) and \(g(… | Math SAT Question | Ronan SAT