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Questions in Grade College

[Done] What is the range of the function $y=4 e^x$? A. all real numbers greater than 0 B. all real numbers less than 0 C. all real numbers less than 4 D. all real numbers greater than 4

[Done] The diameter of the circular lid of a container of cottage cheese is 12 cm. Find its area, rounded to one decimal place.

[Done] Write the inequality using interval notation. Graph the inequality. X≥13

[Done] Find the height of a pyramid with a volume of $960 in^3$ if the base is a square with a side length of 12 in.

[Done] The scientific method is one application of critical thinking. Please select the best answer from the choices provided. A. True B. False

[Done] What was the United States Christian Commission? A. A group of volunteers who opened gymnasiums for orphans of the Civil War. B. An organization of Sunday School teachers who wrote curriculum for churches to use. C. A Civil War organization that focused on providing for the physical and spiritual needs of Union recruits. D. All of the answers are correct.

[Done] Which of the following polynomial functions has zeros [tex]x=1,-3[/tex]? A. [tex]f(x)=x^3-7 x+6[/tex] B. [tex]f(x)=x^3+x+6[/tex] C. [tex]f(x)=x^3-2 x^2-3 x[/tex] D. [tex]f(x)=x^3-2 x^2-7 x_6[/tex]

[Done] What is the correct formula that would result from the combination of the two ionic species? [tex]$Mg^{2+} \text { and } PO_4{ }^{3-}$[/tex] A. [tex]$Mg _3\left( PO _4\right)_2$[/tex] B. [tex]$Mg _2\left( PO _4\right)_3$[/tex] C. [tex]$Mg \left( PO _4\right)_3$[/tex] D. [tex]$MgPO _4$[/tex]

[Done] If two $2 x 2$ matrices are inverses of each other, then multiplying them will result in what matrix below? $\left[\begin{array}{ll}0 & 0 \\ 0 & 0\end{array}\right]$ $\left[\begin{array}{ll}1 & 1 \\ 1 & 1\end{array}\right]$ $\left[\begin{array}{ll}0 & 1 \\ 1 & 0\end{array}\right]$ $\left[\begin{array}{ll}1 & 0 \\ 0 & 1\end{array}\right]$

[Done] Rationalize the denominator and simplify: [tex]$\sqrt{\frac{5}{2}}$[/tex]