Seudónimo
Seudónimo
11-06-2018
Mathematics
contestada
Evaluate
f(x)=8(2)^x
x=-3
Respuesta :
AnimeBrainly
AnimeBrainly
11-06-2018
Plug in -3 for x
f(-3) = 8(2^-3)
2^-3 = 1/2^3 = 1/6
f(-3) = 8(1/6)
f(-3) = 8/6
Simplify. Divide 2 from both numerator and denominator
f(-3) = (8/6)/(2/2)
f(-3) = 4/3
f(-3) = 4/3
, or
1 1/3
hope this helps
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