Need help pls. I have others to.
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Will mark brainliest question in the pic.

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents