monkey36
monkey36
20-08-2016
Mathematics
contestada
calculate f(4) for each function below
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dalendrk
dalendrk
20-08-2016
Subtitute x = 4 to the equations:
[tex]b)\ f(x)=\left(\dfrac{1}{5}\right)^x\to f(4)=\left(\dfrac{1}{5}\right)^4=\dfrac{1^4}{5^4}=\dfrac{1}{625}\\\\c)\ f(x)=3x-12\to f(4)=3\cdot4-12=12-12=0\\\\d)\ f(x)=(x-2)^3\to f(4)=(4-2)^3=2^3=8[/tex]
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