Can someone help me ​

BD also equals to 13 cause the diagonals are equal

Step-by-step explanation:

hope this is what u want

hope it helped u

the answers c

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