Find the max value of c=5x+4y subject to the following constraints x≤−2 x≥−4 y≥1 y≤6

You should be able to find the maximum value of c by simply substituting the maximum values for x and y.

So we'll let x = -2 and y = 6.

The equation is is now as follows:

c = 5(-2) + 4(6)

c = -10 + 24

c = 14

Therefore the maximum value for c is 14.

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step-by-step explanation:

the polynomial is a perfect square trinomial of the form a^2-2ab+b^2:

option a. true

step-by-step explanation:

9x^2-12x+4

comparing with the form a^2-2ab+b^2

1.) a^2=9x^2

solving for a: square root both sides of the equation:

sqrt(a^2)=sqrt(9x^2)

a=sqrt(9) sqrt(x^2)

a=3x

2.) b^2=4

solving for b: square root both sides of the equation:

sqrt(b^2)=sqrt(4)

b=2

to be a perfet square trinomial 2ab must be equal to 12x. let's check:

2ab = 2 (3x) (2)

2ab = 12x

correct