The ratio table below shows the relationship between the weight of apples purchased and the total cost of the apples. Apple Cost
Weight (lb)
Total cost ($)
1
2
4
8
6
12
20
10
When the weight of apples is increased by a factor of 4, by what factor does the total cost increase?
O 3
ООО
8

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step-by-step explanation:

a

step-by-step explanation:

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you need to give us more information since we can't answer

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