The rivera family went out to eat at a restaurant to celebrate a birthday. the bill for the meal, including tax, came to $126.50. they left a tip in the amount of 18% of the bill. how much did the rivera family pay for the meal, including tip?

The input to the function is x and the output is y. write the function such that x can be a vector (use element-by-element operations). a) use the function to calculate y(-1.5) and y(5). b) use the function to make a plot of the function y(x) for -2 ≤ x ≤ 6.