Anyone in 7th and wanna be friends my insta is moanirules

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Heather is writing a quadratic function that represents a parabola that touches but does not cross the x-axis at x = -6. which function could heather be writing? fx) = x2 + 36x + 12 = x2 - 36x - 12 f(x) = -x + 12x + 36 f(x) = -x? - 12x - 36

Write a linear funtion f with the values f(2)=-1, and f(5)=4