Find the range of the quadratic function.f(x) = -x2 - 8x - 9
A. (-?, -4]
B. (-?, 7]
C. [7, ?)
D. [-4, ?)
Answer: B
Mathematics
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Use the distributive property to simplify.-(6x - 3)
A. 18x B. -6x - 3 C. 6x - 3 D. -6x + 3
Mathematics
Use transformations to graph the function.y = 3 cos x - 5
A. 
B. 
C. 
D. 
Mathematics
Use the power rules to simplify the expression. Use positive exponents to write the answer.
-4
A. 
B. 
C. 
D. 
Mathematics
Construct a truth table for the compound statement.~(r ? t) ? ~(t ? r)
A. 
B. 
C. 
D. 
Mathematics