A certain smart phone family plan cost $55 per month plus additional usage cost if X is the number cell phone minutes used above
1 answer:
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Answer: a) b)
c)
d)
Step-by-step explanation:
Since f is an exponential function.
So, it is expressed as
Here f is the present value
p is the initial value
r is the rate of growth per time period
t is the time period.
(a) b represents the 1-unit growth factor for f.
(b) c represents the n n-unit growth factor for f.
(c) d represents the m m-unit growth factor for f.
Write a formula that expresses c in terms of b.
Since
Hence, a) b)
c)
d)