Ineed with this !

f(x) = (3x^2 - 4x + 2)
g(x) = (2x^3 - 2)
find f(g(x)) and f(g(3))
show all work!

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

When only separate discreet points are graphed it is called?

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?