What is the least common denominator for the set of rational expressions?
A) 15
B) 270
C) 135
D) 27
E) 150
C) 135
Mathematics
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For the term 7y, the exponent on the y is ___.
A. one B. two C. five D. seven
Mathematics
For the function f, construct and simplify the difference quotient 
.f(x) = 2|x| + 9x
A. -10h
B. 
C. -8h
D. 
Mathematics
Find the exact value of the expression.cos 360° - 5 sin 90°
A. 1 B. -5 C. -4 D. 0
Mathematics
Determine whether the given equation is a rational function.f(x) = 
A. Yes B. No
Mathematics