Lisa’s age is 4 years older than three times sammy’s Age. Lisa is 28 years old let s represent sammy’s Age
2 answers:
Answer:
Sammy's age is 8 years.
Step-by-step explanation:
Let s represent Sammy’s age.
We have been given that Lisa’s age is 4 years older than three times Sammy’s age.
Three times Sammy’s age would be .
4 years older than three times Sammy’s age would be .
We are also told that Lisa is 28 years old. We can represent this information in an equation as:
Therefore, Sammy's age would be 8 years.
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but since
The Lagrangian is
with partial derivatives (set equal to 0)
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which gives the critical point
We can confirm that this is a minimum by checking the Hessian matrix of
At this point, we get a distance from (0, 2, 4) of