Angela is getting a massage where customers pay by the minute. Angela paid a flat rate of $45 to enter the spa. A 20 minute massage will then cost her $50. A 40 minute massage will cost her $100. Part A What is the slope? Four equations are shown below: Equation 1: y^2 = 2x Equation 2: y = 2x – 5 Equation 3: y = x2 + 6 Equation 4: y = x/2 Identify one function equation and one non-function equation from the list. State a reason why each equation you identified is a function or not a function. Function Equation:

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