Mary has saved $17:50 in the past 3 weeks. At this rate, how much will she save in 15 weeks?
1 answer:
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Answer:
Option B
Step-by-step explanation:
Average rate of change of a function 'f' in the interval x = a and x = b is given by,
Average rate of change of change =
Given function is,
g(x) =
We have to calculate the rate of change in the interval [-4, 3],
Average rate of change =
g(3) =
= 2.5 + 1
= 3.5
g(-4) =
= -1 + 1
= 0
Average rate of change =
=
=
Therefore, Option B will be the answer.
