Mathematics, 19.05.2021 22:10 anna8352
Choose all the functions which decrease at a rate of 40% per unit increase in x
A:f(x)=3/2(2/5)^x
B:f(x)=2/3(3/5)^x
C:f(x)=2/5(5/8)^x
D:f(x)=1.75(0.6)^x
E:f(x)=2.5(0.4)^x
F:f(x)=0.4(0.8)^x
Answers: 2
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Choose all the functions which decrease at a rate of 40% per unit increase in x
A:f(x)=3/2(2/5)^x
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