SOLUTION: i^3(4i^2+i) f(x)=9(.7+.2)^x

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: i^3(4i^2+i) f(x)=9(.7+.2)^x      Log On


   

Question 985984: i^3(4i^2+i)
f(x)=9(.7+.2)^x
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
i^3(4i^2+i)
= -i*(-4 + i)
= -i^2 + 4i
= 1 + 4i
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f(x)=9(.7+.2)^x
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