Hi, I have three Geometry questions on my quiz that I want to be absolutely certain they are done correctly, can someone help me with them please?

Select the number of ways in which a line and a circle can intersect

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.

For which pairs of functions is (f•g)(x)=12x? f(x)=3-4x and g(x)=16x-3 f(x)=6x2 and g(x)= 2/x f(x)= and g(x) = 144x f(x)=4x and g(x) =3x