Which statement is true?

a. all squares are rectangles.
b. all quadrilaterals are rectangles.
c. all parallelograms are rectangles.
d. all rectangles are squares.

explain

step-by-step explanation:

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