Find the exact value of the expression. Do not use a calculator.tan 
- cos 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify. Assume that variables can represent any real number.
A. 7t
B. 24
C. 7
D. 7t2
Mathematics
Subtract.7 - 2.408
A. 4.792 B. 4.562 C. 4.593 D. 4.592
Mathematics
Decide whether or not the functions are inverses of each other.f(x) = 
, domain [-4, ?); g(x) = x2 + 4, domain (-?, ?)
A. Yes B. No
Mathematics
Find the average rate of change for the function between the given values.f(x) = x2 + 3x; from 5 to 7
A. 10
B. 15
C. 35
D. 
Mathematics