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Math
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Advanced Math
·
Nonlinear functions
hard
An exponential function f is defined by
f
(
x
)
=
k
(
4
)
x
where k is a positive constant. If
f
(
−
1
)
=
3
and
f
(
2
)
=
192
, what is the value of k?
A
2
B
12
C
4
D
3
An exponential function f is defined by \(f(x)=k(4)^{x}\) where k is … | Math SAT Question | Ronan SAT