Determine whether S defines a function.S = {(-8, -8), (-3, 2), (-1, -1), (3, -6)}
A. No
B. Yes
Answer: B
Mathematics
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Find the exact value of the expression.cos (-390°)
A. - 
B. 
C. - 
D. 
Mathematics
Identify the open intervals where the function is changing as requested.Decreasing
A. (2, -1) B. (1, 2) C. (-1, 2) D. (2, 1)
Mathematics
Find the derivative of the given function. Simplify and express the answer using positive exponents only.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Factor out the GCF from the polynomial.w(z - 14) - 8(z - 14)
A. (wz - 14w) - (8z - 112) B. 8w(z - 14) C. (z - 14)(w - 8) D. (z - 14)(w + 8)
Mathematics