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Mathematics 11 Online
OpenStudy (ksaimouli):

f(x)=3^-x tell whether the function is increasing, decreasing or not changing when x=1.

OpenStudy (anonymous):

it's decreasing.

OpenStudy (ksaimouli):

how

OpenStudy (anonymous):

graph it. you'll see it's decreasing at x=1

OpenStudy (ksaimouli):

|dw:1346100804306:dw|

OpenStudy (ksaimouli):

x=1 means could u draw it

OpenStudy (anonymous):

|dw:1346100917601:dw|

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