Replace the x with 2: f(2)=2*2+7=4+7=11
replace the x with 7: f(7)=2*7+7=14+7=21
The name is the second option y= (2/3)x +5. Hope this helps
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just wanted to let you know you didn't attach a picture would love to answer question in comments once I can see the photo
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for saken it is better to use ordinary calculator than cp because they have a big difference. That's all I can say