Answer:
minimum -45, maximum 32
Step-by-step explanation:
C=4x-3y
x≥0, y≥4, x+y≤15
Maximum value of C can be achieved at max x and min y
Minimum value of C can be achieved at min x and max y
So answer is minimum -45, maximum 32
Slope = 5
y = mx + b
m = slope
m = 5
D is the answer
-15 Is the same as 15 its just negative but they have the same distance.
x = 2 Or
x = -2
Check attachment
y=3/2
This line's slope is perpendicular to -2/3 and its y intercept is 0.
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