Luke is building a storage building and needs to have a slab of concrete poured. He knows the contractor charges an initial cost of $95 plus an additional $3.50 per square foot of concrete. Formulate a function that can be used to determine the cost, in dollars, to pour a concrete slab with an area of x square feet.

y=3.50x+95

Step-by-step explanation:

last one.

step-by-step explanation:

last one.

generally speaking, the others follow some sort of pattern that correlates to either linear (looks like a straight line) or sinusoidal (looks like an s).

the last one is just a random cloud of points that doesn't correlate to any particular known order.