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Viefleur [7K]
3 years ago
11

Please Help! Look at attachments.

Mathematics
2 answers:
alekssr [168]3 years ago
8 0

Answer: As you can see Plumber  A has a greater initial fee or greater y-intercept .so the answer is D.

Step-by-step explanation:

We know that plumber A has a initial fee of 100 but we need to find the initial fee and slope for plumber B.

(1,105) ( 2,160)

160 - 105 = 55

2-1 = 1                  

55/1 =5 so the slope for plumber B is 55

105 = 1(55) + b   this is the formula used to find the y-intercept

105 = 55 + b

-55     -55

b= 50

So the equation for Plumber B is y = 55x + 50

Now compare equations y=55x + 50 and y= 30x + 100

marshall27 [118]3 years ago
4 0

Answer:

the answer is D.

Step-by-step explanation:

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