Which of the following functions has the largest value when x = 3? (1 point)
c(x) = 3x^2 + 5x + 22
j(x) = 12x
a(x) = 9^x

select one:
a. all the functions are equal at x = 3.
b. c(x)
c. j(x)
d. a(x)

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?