lori0
lori0
27-09-2017
Mathematics
contestada
Find f(–4) for f(x) = 9(3)x.
Respuesta :
temp102
temp102
27-09-2017
subsitute -4 for x
remember that [tex]x^{-m}=\frac{1}{x^m}[/tex]
so
for x=-4
[tex]f(-4)=9(3)^{-4}[/tex]
[tex]f(-4)=9(\frac{1}{3^4})[/tex]
[tex]f(-4)=9(\frac{1}{81})[/tex]
[tex]f(-4)=\frac{9}{81}[/tex]
[tex]f(-4)=\frac{1}{9}[/tex]
answer is A
Answer Link
wdeangiela
wdeangiela
01-12-2021
Answer:
1/9
Step-by-step explanation:
Answer Link
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