I need help with writing an equation, Topic: algebra

Over which interval is the graph of f(x) = x2 + 5x + 6 increasing?

Select the correct answer from each drop-down menu. a system of equations and its solution are given below. system a complete the sentences to explain what steps were followed to obtain the system of equations below. system b to get system b, the equation in system a was replaced by the sum of that equation and times the equation. the solution to system b the same as the solution to system a.]

The probability that a tutor will see 0, 1, 2, 3, or 4 students is given below determine the probability distribution's missing value.