Find the least common denominator (LCD).
, 
A. 5x - 7
B. 5x2 - 35
C. 5x2 - 7
D. 5x(x - 7)
Answer: D
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State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Parallel, opposite directions B. Parallel, same direction C. Perpendicular D. Neither
By graphing the function, visually estimate its domain and range.f(x) = 
A. Domain: [0, ?); range: [0, ?) B. Domain: [2, ?); range: [2, ?) C. Domain: [2, ?); range: (0, ?) D. Domain: [0, ?); range = [2, ?)
List the x- and y-intercepts, and graph the function.f(x) = 
A. x-intercept: 
, y-intercept: 
B. x-intercept: 
, y-intercept: 
C. x-intercept: 
, y-intercept: 
D. x-intercept: 
, y-intercept: 
Indicate whether the expression is a polynomial or not a polynomial.8x
A. Polynomial B. Not a polynomial