Which is the graph of f(x) = (x - 1)(x + 4)? 6 4 4 2 2 2 8 -6 4 2. 6 2 e -2 -2 -2 O 4 2 2 4​

For which rational expression is -2 an excluded value of x?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

:malik received a $300 gift card from his grandparents and is using it only to pay for his karate lessons, which cost $30 per month. determine what amount, in dollars, remains on the card after 8 months.