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Math
·
Algebra
·
Linear functions
easy
For the linear function
f
(
x
)
=
3
x
+
b
,
b
is a constant and
f
(
7
)
=
21
. What is the value of
b
?
A
0
B
1
C
3
D
7
For the linear function \(f(x) = 3x + b\), \(b\) is a constant and \(… | Math SAT Question | Ronan SAT