Is this relation a fuction? A yes, because every x- and y- value is positive

B yes because the number of x value is the same as the number of y values

C No cause y and x have different values

D no because two points with same value

900 degrees

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