You sign up for 13 weeks of swim lessons. the total cost is $325. what is the cost per week?
2 answers:
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Answer:
The x-axis
Step-by-step explanation:
The graph of the equation x=y2+4 is symmetric with respect to the x-axis.
To test for symmetry with respect to the x-axis we substitute -y in place of y and simplify the equation. If the resulting equation is identical to original one then the function is symmetric with respect to the x-axis;
which is identical to the original equation
