Simplify. Assume that variables can represent any real number.
A. z - 3
B. ?z? - 3
C. ?z - 3?
D. -z + 3
Answer: C
Mathematics
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Combine like terms in the expression. Answer "not possible" if terms cannot be combined.78x - y
A. 15xy B. not possible C. 30x - y D. 56y
Mathematics
Find Dxy.y = 4 ln x + 
sech-1 x
A. 
- 
B. 
- 
C. 
- 
D. 4 ln x - sech-1 x
Mathematics
Provide an appropriate response.If f(x) = 3 - 2x and g(x) = x2 + 7, find: (a) (f ? g)(x) (b) (g ? f)(x)
What will be an ideal response?
Mathematics
Use the quadratic formula to solve the quadratic equation.6n2 = -12n - 5
A. 
B. 
C. 
D. 
Mathematics