four-letter code uses the letters Z and X. Either letter can be repeated in the code. How many different codes are possible?

3: 2

step-by-step explanation:

shorter piece is 2: 3, so just reverse it, and you get 3: 2

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

the first one

step-by-step explanation:

just id the test.

whatvare the choices

step-by-step explanation: