Which of these is an even function? A. f(x) = 5x2 - x
B. f(x) = 3x3 + x
C. f(x) = 6x2 - 8
D. f(x) = 4x3 + 2x
Math

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

Solve: 3x+y=6 4x-2y=18 show all work !