The children's museum sells caps and t-shirts, for a total of 278 items, at its annual fundraiser. They take in a total of $2110. Caps cost $8, and t-shirts cost $7. How many caps did they sell? Let C number of caps sold, and let t the number of t-shirts sold.​

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