ABCD is not drawn to scale. Based on the angle measures given, ABCD a parallelogram.

A. must not be
B. may or may not be
C. must be

The quadrilateral ABCD must be a parallelogram.

For a parallelogram, the opposite angles and sides are always equal.

From the given quadrilateral, you can see that opposite angles are equal that is:

Based on this, we can conclude that the quadrilateral ABCD must be

a parallelogram.

Learn more on parallelogram here: link

step-by-step explanation:

f(x)=2x^2 -1 

translation is a function transformation that transform the function in a way of translating. by translating the function its graph is moved  up an down. moving the function f(x) 2 units to the left will be the new function g(x) with the equation: g(x)=f(x+2)=2(x+2)^2 -1