Hey! This may not be the answer you are looking for obviously. But go on KhanAcademy, they helped me with this when I was in Algebra!
G(x)=8(x-3)-7
The number in the parentheses has to be changed to positive 3.
You keep the number (-7) the same sign it already is. The vertex is (3,-7)
Well just plug those two numbers into the equation: 7(3) - 3(2) Which equals 15 so B) 15
Answer:
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