PLEASE HELP ME QUIC Determine whether each of the functions given below is Linear or Non-Linear

y = -5x - 2
y = x² + 2
y = 5/x - 2
y = -2 + 5x

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be able to prepare using the sauce?