20 in which interval will the graph of f(x) = x^3 + 4x^2 – 4x – 16 be above the x-axis?

a. (-2, 2) u (4, ∞)

b. (-4, -2) u (2, ∞)

c. (-∞, -2) u (-2, 9)

d. (-4, -2) u (2, 4)

The function g(x) is defined as shown. x-1, -2 g(x) = 2x+3, -1 6-x, x23

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.