which of the following graphs could depict the function f(x)=m(x+d)^1/5
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OpenStudy (anonymous):
OpenStudy (anonymous):
OpenStudy (anonymous):
@triciaal ?
OpenStudy (triciaal):
from f(x) = x^1/5 to f(x) = m(x+d)^1/5
f(0) = 0
m = multiplying factor shrink or expand (vertical value)
x + d so moved horizontally to the left
middle terms of expansion means the graph moved up by d^1/5
let me double check what the graph should look like
OpenStudy (triciaal):
to the left and up A
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OpenStudy (triciaal):
do you see it?
OpenStudy (anonymous):
so is A?
OpenStudy (anonymous):
OpenStudy (triciaal):
basically an exponential change is when the function is not changing by the same amount for each change in value of x .
OpenStudy (triciaal):
think about geometric progressions
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OpenStudy (triciaal):
rephrasing the question
which function is changing by the same amount each time?
If it is changing by the same amount for each change in x value then it is not an exponential function.