Diagonal cross section of a cylinder -----> ellipse
cross section parallel to the base of a cone -----> A) circle
shape created when a semi−circle is rotated about the y−axis -----> D) sphere
diagonal cross section through the widest part of a sphere -----> C) great circle
perpendicular cross section of a cone -----> B) triangle
Answer:

Step-by-step explanation:
Factor of
is

Answer:
C
Step-by-step explanation:
Basically the remainder theorem links the remainder of division by a binomial with the value of a function at a point while the factor theorem links the factors of polynomial to its zeros
Answer is 3.
Notice how f(0) is 0 on the graph, it can only be 3 because 3 is the only number on the y-axis that the line runs through. The line does not run through any of the other options.