Find the ordered pair for the vertex.f(x) = 4x2 - 24x + 31
A. (-3, 5)
B. (3, -5)
C. (5, -3)
D. (-5, 3)
Answer: B
Mathematics
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Use a power regression model for the following data to estimate 
. Round your answer to two decimal places.
x 1 3 4 7 8 y 4.67 14.34 20.94 41.18 45.49?
A. 18.79 B. 19.31 C. 80.46 D. 78.82
Mathematics
Solve the system by graphing. 3x - 2y = 4-6x + 4y = 7
A. ? B. {(x, y) | -6x + 4y = 7} C. {(1, 2)} D. {(2, 1)}
Mathematics
Provide an appropriate response.47.9% of what number is 423.39? (nearest whole number) Use the percentage formula.
A. 8,839 B. 2,028 C. 884 D. 1,131 E. none of the above
Mathematics
Determine whether the proportion is true or false.
= 
A. True B. False
Mathematics