Evaluate the expression.(-2)4
A. 16
B. -16
Answer: A
Mathematics
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Use a sum or difference identity to find the exact value.tan 345°
A. 
+ 2
B. 
- 2
C. - 
+ 2
D. - 
- 2
Mathematics
Evaluate the sum.
A. 5 B. -7 C. -21 D. -15
Mathematics
Determine the domain and range of the function. Then graph it.f(x) = 2
A. domain = (-?, ?), range = (-?, ?)
B. domain = [-1, ?), range = [0, ?)
C. domain = (-?, ?), range = [-1, 1]
D. domain = [0, ?), range = [1, ?)
Mathematics
Find the slope of the line.9x - 11y = -10
A. m = 
B. m = 99
C. m = 
D. m = -9
Mathematics