A) What is the y-intercept of y = 3x ? (b) What is the slope of y = -x - 2 ?
2 answers:
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Answer:
k = 30,
Step-by-step explanation:
Since is a solution, then it must satisfy the differential equation. So, we calculate the derivatives and replace the value in the equation. We have that
Then, replacing the derivatives in the equation we have:
Since is a positive function, we have that
.
Now, consider a general solution , then, by calculating the derivatives and replacing them in the equation, we get
We already know that r=5 is a solution of the equation, then we can divide the polynomial by the factor (r-5) to the get the other solution. If we do so, we get that (r-6)=0. So the other solution is r=6.
Therefore, the general solution is
