Question

Find the maximum and minimum values by evaluating the equation, C=4x-3 at the critical points if the restrictions include the following:
x≥0
y≥4
x+y≤15

Answers:
a. Minimum: -32; Maximum: 45
b. Min: -45; Max:32
c. Min: -45; Max: -32
d. min: 32; Max: 45
@MrNood Can You help?

Answer 1

Please Help! Pleaseee

Answer 2

@MrNood can you help?

Answer 3

find C at A,B,C

Answer 4

in problem C=4x-3y

Answer 5

at(0,4)
C=4*0-3*4=-1
at (0,15)
C=4*0-3*15=-45
at (11,4)
C=4*11-3*4=44-12=32
can you see which is maximum and which is minimum?