Determine if the relation shown is a function. Define the domain and range. Make sure to use the appropriate notation. Use two lowercase ‘o’s for infinity. It will look like oo.  Be sure to use the appropriate notation, it matters!  Function? : {yes or no} Domain: Range:  

Solve the system of equations by the substitution method.   If one solution, enter the point.If no solution, enter DNEIf infinitely many solutions, enter IMS  Must show work. No work, no credit. x – 7y = -404x – 8y = -20

You must post the scrap paper showing work in Modules with in 6 minutes of submitting the test. If you do not post your work, you will earn a zero.

Find the slope of the line through the given pair of points, if possible.   Must show work on paper.(4, -2) and (7, -3)

You are tasked with making 200 ml of a 1.5 M sodium chloride (NaCl) solution from a 5.0 M NaCl stock solution. What volume of stock solution would you place in the volumetric flask before filling it to the 200 ml mark with distilled water? In the second space, type the correct units. image0105f86a2f0.gif Answer (without unites):  Units: Link to important equations.

Identify this biologically important molecule either a protein, carbohydrate, lipid, or nucleic acid. image0115f86a2f0.gif

Below is a table showing the experimental set up for a test for biological molecules. Use it to answer the questions that follow. image0125f86a2f0.gif What type of macromolecule is the Biuret Test for?   Which test tube number would be considered a positive control?   Which test tube number would be considered a negative control?   Biuret’s reagent is blue, but in the presence of the correct biomolecule, what color would it change to indicating a positive result?

During the Mexican War:A. Mexican troops occupied much of Texas after winning at the Alamo.B. the bulk of the fighting occurred in California.C. American forces occupied a foreign national capital for the first time.D. an American revolt in California briefly led to a monarchy.E. the entire nation strongly supported Polk’s policies.  

Who believed that freedom was an open-ended process of self-realization by which individuals discovered themselves and reinvent themselves through the ideas of Transcendentalism?A. Eli Whitney  B. Ralph Waldo Emerson  C. Thomas Jefferson  D. John O’Sullivan  E. Andrew Jackson

The various reform movements and communities of the mid-1800s aimedA. To offer like-minded people an opportunities to life differently.    B. Reinforce long-established institutions  C. Offer people an opportunity to find or rediscover themselves.  D. All of these