This data represents the number of oil changes completed each day last week at Jeff's Auto Center. 19, 16, 24, 12, 16, 21, 18 Wh
1 answer:
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Tripiling time is
t=time elapsed
r=tripling time
P=initial amount
so
when time is measured in minutes
if measured in hours then
or
t=time elapsed
r=tripling time
P=initial amount
so
when time is measured in minutes
if measured in hours then
Answer:
Option D)Neither solution is extraneous.
Step-by-step explanation:
we have
we know that
two possible solutions are x=-7 and x=1
<u><em>Verify each solution</em></u>
Substitute each value of x in the expression above and interpret the results
1) For x=-7
----> is true
therefore
x=-7 is not a an extraneous solution
2) For x=1
----> is true
therefore
x=1 is not a an extraneous solution
therefore
Neither solution is extraneous