Solve the inequality. Graph the results.x + 3 < 2
A. x ? -1
B. x ? -1 
C. x < -1 
D. x > -1 
Answer: C
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Find all points where the function is discontinuous.
A. x = 1, x = 5 B. x = 4 C. x = 1, x = 4, x = 5 D. None
Solve the problem.The fence was 2.8 ft. high. Find the equivalent height in centimeters.
A. 110.2 cm B. 71.1 cm C. 7.1 cm D. 84 cm
Find the equation of the line that has the given properties. Write the equation in slope-intercept form, if possible. Contains (5, 4); perpendicular to the y-axis
A. x = 5 B. y = 4 C. x = 4 D. y = 5
Solve the problem.The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by 
where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the hydrogen ion concentration if the 
A. 1010 B. 10-10 C. 2.3 D. 0.1