Simplify.i5
A. i
B. 1
C. -i
D. -1
Answer: A
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Solve the rational equation.
+ 
= 
A. 
B. 
C. 
D. 
Solve the problem.Chuck and Dana agree to meet in Chicago for the weekend. Chuck travels 120 miles in the same time that Dana travels 114 miles. If Chuck's rate of travel is 3 mph more than Dana's, and they travel the same length of time, at what speed does Chuck travel?
A. 60 mph B. 57 mph C. 68 mph D. 52 mph
For the functions f(x) and g(x), determine the domain of (f + g)(x) (the sum of f and g).f(x) = 3x + 
, g(x) = 1 - x2
A. {x ? x is a real number and x ? -11} B. {x ? x is a real number and x ? 1} C. {x ? x is a real number} D. {x ? x is a real number and x ? 11}
Write the number in scientific notation.0.00000074905
A. 7.4905 × 106 B. 7.4905 × 10-7 C. 7.4905 × 107 D. 7.4905 × 10-6