Assume that the expressions given are the denominators of fractions. Find the least common denominator. q + r, q - r, q2 - r2
A. q(q - r)
B. (q + r)(q - r)
C. (q + r)2(q - r)2
D. r(q + r)
Answer: B
Mathematics
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Multiply. Assume that no radicands were formed by raising negative numbers to even powers.
(
+ 
)
A. 
+ 
B. 15
C. 5 + 
D. 
+ 
Mathematics
Find the inverse of the function.f(x) = 6x3 + 5
A. f-1(x) = 
- 5
B. Not a one-to-one function
C. f-1(x) = 
D. f-1(x) = 
Mathematics
The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find tan t.
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operation.27 + (-33)
A. 60 B. 6 C. -60 D. -6
Mathematics