Which word has line symmetry, dad, ode, or home

Aboat's value over time is given as the function f(x) and graphed below. use a(x) = 400(b)x + 0 as the parent function. which graph shows the boat's value increasing at a rate of 25% per year?

Combine like terms to make a simpler expression 3z+z

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.