Write the english sentence as an equation in two variables. then graph the equation.

the y-value is eight decreased by the square of the x-value.

the sentence can be translated to the equation ?

use the graphing tool to graph the equation.

Which of the following is not a subset of {1,2,3}?

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

(b) suppose that consolidated power decides to use a level of significance of α = .05, and suppose a random sample of 100 temperature readings is obtained. if the sample mean of the 100 temperature readings is x⎯⎯ = 60.990, test h0 versus ha and determine whether the power plant should be shut down and the cooling system repaired. perform the hypothesis test by using a critical value and a p-value. assume σ = 5. (round your z to 2 decimal places and p-value to 4 decimal places.)