Multiply and simplify.-6z ? 
A. 0
B. 36z
C. 1
D. -1
Answer: C
Mathematics
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For the piecewise function, find the specified function value.f(x) = {
f(7)
A. 49 B. -49 C. 81 D. 5
Mathematics
Give an appropriate answer.Given the function f(x, y) and the positive number ? as in the formal definition of a limit, find a positive number ? as in the definition that insures 
< ?.f(x, y) = (1 + cos x)(x + y); ? = 0.12
What will be an ideal response?
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.3x(8x - 7) = 0
A. 
, 0
B. - 
, 0
C. 
, 
, 0
D. 
, 
Mathematics