What is f[g(7)] for the following functions?

f(x) = 3x2 − 4

g(x) = 2x − 5

a.) f[g(7)] = 9

b.) f[g(7)] = 143

c.) f[g(7)] = 239

d.) f[g(7)] = 281

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Triangle xyz has vertices x(1,3), y(0,0)

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?