What is the axis of symmetry for f(x) = −3x2 + 12x − 6? a) x = 4 b) x = −4 c) x = 2 d) x = −2

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample