Find the product AB, if possible.A = 
, B = 
A. 
B. 
C. AB is not defined.
D. 
Answer: B
Mathematics
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Identify the number represented on the abacus.
A. 515 B. 191 C. 151 D. 919
Mathematics
Evaluate as requested.Given that f(x) = 4x2 - 3x + 9, find f(-x).
A. 3x2 + 4x + 8 B. -4x2 + 4x + 9 C. -4x2 + 3x - 9 D. 4x2 + 3x + 9
Mathematics
Determine whether the functions f and g are inverses of each other.f(x) = 
; g(x) = 
+ 8
A. Yes B. No
Mathematics
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 4x + 3
A. (2, 1); x = 2 B. (-2, 1); x = -2 C. (2, -1); x = 2 D. (-2, -1); x = -2
Mathematics