In 25 minutes, Jay can run 10 laps around the track. Write an equation to represent the relationship.
1 answer:
Answer:
The equation is .
Step-by-step explanation:
Let represent the number of laps Jay run, and
the number of minutes it takes him to run those laps.
We know that it it takes Jay 25 minutes to run 10 laps; therefore, the number of laps jay runs per minute is:
So, if Jay runs for minutes, the number of laps
he will run be:
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Answer: (a) e ^ -3x (b)e^-3x
Step-by-step explanation:
I suggest the equation is:
d/dx[integral (e^-3t) dt
First we integrate e^-3tdt
Integral(e ^ -3t dt) as shown in attachment and then we differentiate the result as shown in the attachment.
(b) to differentiate the integral let x = t, and substitute into the expression.
Therefore dx = dt
Hence, d/dx[integral (e ^-3x dx)] = e^-3x
