The graph of a quadratic function is given. Choose the function's equation.
A. f(x) = x2 + 2
B. f(x) = x2 - 4x + 4
C. f(x) = x2 + 4x + 4
D. f(x) = x2 - 2
Answer: D
Mathematics
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Write the linear system corresponding to the reduced augmented matrix.
A. x1 = -4, x2 = t + 6, x3 = t for any real number t B. No Solution C. x1 = 4, x2 = -t + 6, x3 = t for any real number t D. x1 = 4, x2 = t + 6, x3 = 0
Mathematics
Multiply.
A. 750 B. 11,750 C. 2750 D. 1750
Mathematics
Select the correct graph of the function: 
a. 
b. 
c. 
d. 
Mathematics
Simplify.
A. 
B. 
m
C. 
D. 
Mathematics