Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 32
B. x = 
, x = - 
C. x = 4
D. none
Answer: C
Mathematics
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Find the area.Find the area under y = 
in the first quadrant.
A. 
?
B. 1?
C. 2?
D. 4?
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Solve the variation problem.The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 22 minutes requires 15.4 gallons of water. Find the amount of water used in a shower lasting 4 minutes.
A. 3.5 gallons B. 2.1 gallons C. 2.8 gallons D. 88 gallons
Mathematics
Write the expression in the standard form a + bi.i15
A. 1 B. -i C. -1 D. i
Mathematics
Determine whether the pair of rational expressions is equivalent.
and 
A. Not Equivalent B. Equivalent
Mathematics