Sheppard123
Sheppard123
23-09-2016
Mathematics
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Аноним
Аноним
23-09-2016
1)We evaluate the function: y=(3/4)^x
if x=-1; ⇒y=(3/4)⁻¹=1/(3/4)¹=4/3
if x=0; ⇒y=(3/4)°=1 (remember; x°=1)
if x=1; ⇒y=(3/4)¹=3/4
if x=2; ⇒y=(3/4)²=3²/4²=9/16
we can see that; 4/3>1>3/4>9/16;
therefore : the function is decreasing.
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