What multiplies to -120 and adds up to 7

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.