Which function has an x-intercept of 4? A. f(x) = 2x+4
c. f(x) = x2 + 3x – 4
B. f(x) = (x + 4)(x - 7)
D. f(x) = x - 4

What is the y-intercept of the line given by the equation

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes.she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?