Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Answer: C
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Find the coordinates of the vertices and the foci of the hyperbola.25y2 - x2 = 6.25
A. V(-2.5, 0), V(2.5, 0), F(-6.5, 0), F(6.5, 0)
B. V(0, -0.5), V(0, 0.5), F
, F
C. V(-2.5, 0), V(2.5, 0), F
, F
D. V(0,-0.25), V(0, 0.25), F(0, -6.5), F(0, 6.5)
Use the quadratic formula or graphing methods to solve the inequality.4x2 + 20x + 8 ? 0
A. x ? 
? -4.562 or x ? 
? -0.438
B. x ? 
? -4.562
C. x ? 
? -0.438
D. 
? -4.562 ? x ? 
? -0.438
Use ordinary division of polynomials to find the quotient and remainder when the first polynomial is divided by the second.2x4 - x3 - 15x2 + 3x, x + 3
A. 2x3 - 7x2 + 6x - 15; 45 B. 2x3 + 5x2 + 3; 9 C. 2x3 - 7x2 + 6x - 15; - 45 D. 2x3 - 5x2 + 3; 9
Factor the polynomial.25x2 + 36
A. (5x - 6)2 B. (5x + 6)2 C. (5x + 6)(5x - 6) D. prime