What is the axis of symmetry for the function (x)=5x^2+8?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

How is this equation completed? i cannot find any examples in the book.