1) Find all values of x that satisfy the inequality; (x-1)(x+2)(x-4) <0 Show solution on number line, and has interval notation.

Q: 9) The profit for a manufacturer of collectible grandfather clocks is given by the function P(x) =…

A: Given profit function is P(x)=-2.2x2+240x-355 where x is number of clocks made and sold and P(x) is…

Q: Solve each quadratic inequality by locating the x-intercepts, and noting the end behavior of the…

A: For x intercepts assume the value of the function to be 0 and solve for x.Determine the end…

Q: Express the interval in terms of inequalities, and then graph the interval. [2, ∞]

A: Given,          The interval is [ 2,∞ ) .

Q: -1 <y <1 0< y? <1

A: Given:-   -1≤ y≤ 1  Then 0≤ y2 ≤ 1     To find:- Why did the -1 became 0 upon squaring all of the…