Use the difference of squares pattern to factor the polynomial.
A. (x - 3) (x + 3)
B. (x + 3) (x + 9)
C. (x - 3) (x - 9)
D. (x - 9) (x + 9)
E. none of these
Answer: A
Mathematics
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Graph the polynomial function. f(x) = x4 - 4x2
A. 
B. 
C. 
D. 
Mathematics
Solve the matrix equation for X.Let A = 
and B = 
;
B - X = 3A
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Mathematics
Find all x-intercepts of the function.f(x) = x - 7
+ 12
A. (9, 0), (16, 0)
B. (±
, 0), (±2, 0)
C. (3, 0), (4, 0)
D. (±3, 0), (±4, 0)
Mathematics
Let f be a scalar field. Determine whether the expression is meaningful. If so, state whether the expression represents a scalar field or a vector field.
?(gradf)
Mathematics