Question

Which of these is the standard form of the following function?

f(x) = -9(x + 5)2 + 4



f(x) = 9x2 − 90x − 221


f(x) = -9x2 − 90x − 221


f(x) = 9x2 − 180x + 221


f(x) = -9x2 − 180x − 221

Answer 1

I’m pretty sure the answer would be B

Answer 2

the answer is B) -9x2 -90x -221