Asked by David
The exponential function f(x)=3(2)^-x
a) Has a range of {y | yER}
b) Has a y-intercept at (0,1)
c) Represents exponential decay
d) Represents exponential growth
a) Has a range of {y | yER}
b) Has a y-intercept at (0,1)
c) Represents exponential decay
d) Represents exponential growth
Answers
Answered by
oobleck
all pure exponential function have range (0,∞)
2^0 = 1, so f(x) has a y-intercept at (0,3)
2^-x shrinks, so (c)
2^0 = 1, so f(x) has a y-intercept at (0,3)
2^-x shrinks, so (c)
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