What is this function written in vertex form?
The image shows a geometric representation of the
function f(x) = x2 + 2x + 3 written in standard form.
Of(x) = (x + 2)2 + 3
Of(x) = (x2 + 2x)2 + 3
Of(x) = (x + 1)2 + 2
O f(x) = (x + 3)2 + 2x
2
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Given the following statements, which is the best

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9