For the given equation, determine the values of a, b, and c, the direction in which the parabola opens, and the y-intercept.f(x) = -6x2 + 4x
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Write the first four terms of the sequence.an = 
A. 
, 
, 
, 
B. 1, 
, 
, 
C. 
, 
, 
, 
D. 
, 
, 
, 
Mathematics
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations by substitution.
A. x = 5, y = -4; (5, -4) B. x = -4, y = 5; (-4, 5) C. x = -4, y = -5; (-4, -5) D. x = -5, y = 0; (-4, 0)
Mathematics
Provide an appropriate response.In the metric system of measurement, the prefix mega- means 1 × 106. Write 1 × 106 in standard form.
A. 1,000,000 B. 60 C. 100,000 D. 0.000001
Mathematics