which choice shows what happens when we substitute –5 for x in the equation –x + 2(x + 5) = 7?

B

Step-by-step explanation:

If this is on time4learning then this is the correct answer.

215.92 dollars is the answer

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