If fi(x) = 2x3 + 5x2 – 3x + 3 and f(x) = x3 – 3x2 – 2x + 1. Find 2fı (x) + 3f(x) (A) x3 + x² - 12x + 9
(B) 3x3 - x? – 10x + 9
(C) 7x3 + x2 - 12x + 9
(D) 7x3 + x2 + 5x - 1

The total cost of anja’s trip to the dentist was $628.35. she paid a flat fee of $89.95 which included the checkup and cleaning and then had 4 cavities filled, each of which cost the same amount. which shows the correct equation and value of x, the cost of each cavity filling?

The base of a triangle is 8 1 3 meters and the height of the triangle is the fourth root of 16 meters meters. what is the area of the triangle?

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years