Answer:
$3.90
Step-by-step explanation:


The Lagrangian is

with partial derivatives (all set equal to 0)

for
, and

Substituting each
into the second sum gives

Then we get two critical points,

or

At these points we get a value of
, i.e. a maximum value of
and a minimum value of
.
Answer:
-4
Step-by-step explanation:
Given function
f(x) = -2x² + 3x - 4
Comparing with ax² + bx + c We get
c = - 4
Hope it will help :)❤