Try to use photo math it gives you the work and answer
Answer:
19
Step-by-step explanation:
Step-by-step explanation:
I=V/R
I*R=V
R=V/I
:) :( :) :( :)
Answer:
Maximum is 4
Step-by-step explanation:
M(x) is quadratic function, so we need to fin maximum.
m(x)=-x(x-4)
m(x)=-x^2+4x
To find a maximum we need to find m’
M’(x)=-2x+4
M’(x)=0 if x=2
The maximum is in the point x=2
M(2)=-2(2-4)=4
