From the function f(x) = x^2 + 3, calculate: (2 points) a) The change in y when x varies from 4 to 4.5

b) The increment of the function when x = 2 and Δx = 0.01.

2.- Calculate the approximate value of the increment of the function () = 2^3 + 5, consider what’s indicated in the following points:

a) x changes from 3 to 3.02.

b) When x = 2 and Δx = 0.001

3.- Calculate the approximate decrease in the area of a circular burn when the radius decreases from 2 to 1.98 cm.

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.

Barbara has a good credit history and is able to purchase a car with a low-interest car loan. she co-signs a car loan for her friend jen, who has poor credit history. then, jen defaults on the loan. who will be held legally responsible by the finance company and why? select the best answer from the choices provided. a. barbara will be held legally responsible because she has a good credit history. b. jen will be held legally responsible because she drives the car. c. barbara will be held legally responsible because she is the co-signer. d. jen will be held legally responsible because she has a poor credit history. the answer is a