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Questions in Grade College

📝 Answered - A company manufactures 2 models of MP3 players. Let [tex]$x$[/tex] represent the number (in millions) of the first model made, and let [tex]$y$[/tex] represent the number (in millions) of the second model made. The company's revenue can be modeled by the equation [tex]$R(x, y)=110 x+130 y-2 x^2-4 y^2-x y$[/tex] Find the marginal revenue equations [tex]$R_x(x, y)=\square$[/tex] [tex]$R_y(x, y)=\square$[/tex]

📝 Answered - Solve the following system of equations graphically. [tex] \begin{array}{l} y=-2 x-3 \\ y=\frac{1}{3} x+4 \end{array} [/tex]

📝 Answered - Which equation is equivalent to the given equation? [tex]x^2-6 x=8[/tex] A. [tex](x-6)^2=20[/tex] B. [tex](x-3)^2=14[/tex] C. [tex](x-6)^2=44[/tex] D. [tex](x-3)^2=17[/tex]

📝 Answered - How do you begin to write an internal-operational message? A. Open in a way that builds goodwill B. Organize it as an indirect order C. Open with an informal tone D. Organize it as a direct order

📝 Answered - Find the values of [tex]$x, y$[/tex] and [tex]$z$[/tex] that correspond to the critical point of the function [tex]$f(x, y)=4 x^2-3 x+5 y+5 y^2$[/tex] Enter your answer as a number (like [tex]$5,-3,2.2$[/tex] ) or as a calculation (like [tex]$5 / 3,2 \wedge 3,5+4$[/tex] ). [tex]$x=\square$[/tex] [tex]$y=\square$[/tex] [tex]$z=\square$[/tex]

📝 Answered - $\frac{79}{40}-162.5 \%=\square$ Enter the answer as an exact decimal or simplified fraction.

📝 Answered - In the wake of World War II, American business and Republican politicians pushed to limit the power of America's trade unions. True or False?

📝 Answered - $\xi^2=43$. He incorrectly wrote $g=-7$. What is the correct solution? PART B Communicate and justify what error did Eil Mikely make? A. He did not take the square root of 49 correctly since $(-7)^2=49$. B. He did not solve the equation completely because there is a positive solution as well.

📝 Answered - What is 18,000 expressed in scientific notation? A. $1.8 \times 10^{-4}$ B. $1.8 \times 10^4$ C. $1.8 \times 10^{-5}$ D. $1.8 \times 10^5$

📝 Answered - Solve $(\sqrt{6})^{8 x}=216^{x-3}$.