Given f(x)=x^2+4x+7 .

what equation shows function f written in vertex form?

a) f(x)=(x+2)^2+3

b)f(x)=(x+4)^2+11

c) f(x)=(x+3)^2+7

d) f(x)=(x+4)^2−7

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Can someone me with the property questions for 12 13 and 14 plz

Which of the following pair(s) of circles have las a common external tangent? select all that apply. a and b a and c b and c