Question
A cell phone provider offers a plan that costs $40 per month plus $0.20 per text message sent or received. A comparable plan costs $70 per month but offers unlimited text messaging. Complete parts a. and b. below.
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GPT 3.5
a. Write an equation for the cost y (in dollars) of x text messages for the $40 per month plan.
y = 40 + 0.20x
b. Write an equation for the cost y (in dollars) of x text messages for the $70 per month plan.
y = 70
y = 40 + 0.20x
b. Write an equation for the cost y (in dollars) of x text messages for the $70 per month plan.
y = 70
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