Now
(a) What was Jennifer’s gross pay for the year?
1 answer:
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Compute the gradient of .
Set this equal to the zero vector and solve for the critical points.
The last case has no real solution, so we can ignore it.
Now,
so we have two critical points (0, 0) and (2, 2).
Compute the Hessian matrix (i.e. Jacobian of the gradient).
Check the sign of the determinant of the Hessian at each of the critical points.
which indicates a saddle point at (0, 0);
We also have , which together indicate a local minimum at (2, 2).
Answer:
and
Step-by-step explanation:
It is given that the normal body temperature is .
A temperature 'x' that differs from normal by at least is considered unhealthy. So the inequality to represent such situation is,
It can be further written as,
and
and
and
So the inequality to represent such condition is and
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