Determine whether the pair of lines is parallel, perpendicular, or neither.12x + 4y = 1618x + 6y = 27
A. Parallel
B. Perpendicular
C. Neither
Answer: A
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Decompose into partial fractions.
A. 
+ 
B. 
- 
C. 
+ 
D. - 
+ 
Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 3x - 12
A. f-1(x) = 
x - 4
B. f-1(x) = 
x + 3
C. f-1(x) = 3x + 12
D. f-1(x) = 
x + 4
Find the exact value of the indicated trigonometric function of ?.sec ? = 
, ? in quadrant IVFind tan ?.
A. - 
B. - 
C. - 
D. - 
Solve the problem.Suppose that two cars, both traveling at a constant speed of 60 miles per hour, approach each other on a straight highway. Initially they are 16 miles apart. Let x represent minutes. Give an absolute value equation whose solution gives the times when the cars were 10 miles apart. Solve the equation. Interpret the meaning of the result.
A. 
= 10; x = 3 or x = 13; After 3 minutes or after 13 minutes the cars were 10 miles apart.
B. 
= -16; No solution; The cars will never be 10 miles apart.
C. 
= 10; x = 6 or x = 26; After 6 minutes or after 26 minutes the cars were 10 miles apart.
D. 
= 6; x = 3 or x = -3; After 3 minutes or 3 minutes earlier the cars were 10 miles apart.