radha94
find y-int of f(x)=-5(0.7)
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vinitkocharekar
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whr r u from
radha94
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why does that matter
radha94
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yessirr
radha94
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gujurat
vinitkocharekar
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ohh im from mumbai
radha94
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cool
vinitkocharekar
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wat do u do
radha94
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school
alice_smith
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i think u have to multipy 7 and 5
radha94
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thanks
ill try that!
MJDakessian
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your missing a variable
alice_smith
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i think u have to find thex mean idk
vinitkocharekar
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yeah the question is improper
radha94
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shizz i am -5(0.7)^ x
alice_smith
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or u have to divide no multiply idk
radha94
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f(x) = -5(0.7)^ x all the answer choices are coordinates
dhatraditya
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is the question \[f(x) = -5(0.7)^{x}\]?
radha94
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yess
dhatraditya
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okay to find y intercept, equate f(x) to 0.
so 0 = -5(0.7)^x
or, 0.7^x =0
this means that x is undefined or negative infinity, depending on how you look at it.
dhatraditya
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sorry positive infinity
radha94
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thank you so much that makes sense
alice_smith
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im soo confuse
dhatraditya
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you are welcome
MJDakessian
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its an exponential decay.. alice smith. it wont cross the x-axis.
dhatraditya
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the graph meets the x axis at positive infinity