Solve and check. Identify any extraneous solutions.
+ 
= 
A. 4, (-2 is extraneous)
B. -4, (2 is extraneous)
C. -2, 4
D. -4, 2
Answer: B
Mathematics
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Find the graph of the equation.f (x) = | x - 4 |
a. 
b. 
c. 
d. 
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Translate the percent problem to a basic percent equation using x for the unknown value. Do not solve.What number is 78% of 44?
A. x ? 44 = 0.78 B. x ? 0.78 = 44 C. 0.78 + 44 = x D. 0.78 ? 44 = x
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Solve the problem.Tracy can wallpaper 4 rooms in a new house in 24 hours. Together with her trainee they can wallpaper the 4 rooms in 15 hours. How long would it take the trainee working by herself to do the job?
A. 80 hr B. 64 hr C. 40 hr D. 24 hr
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Evaluate using a table of integration formulas.
dx
A. 
ln 
+ C
B. 
ln 
+ C
C. 
+ 
- 
ln (5x + 5) + C
D. 
ln 
+ C
Mathematics