Graph the polynomial function. Use synthetic division and the remainder theorem to find the zeros.f(x) = -x3 + 2x2 + 39x + 72
A. -3 (multiplicity 2), -8;
B. -3 (multiplicity 2), 8;
C. -3, 3, 8;
D. -3, 3, -8;
Answer: B
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Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Write the coordinates for each point.
A. A(1, 3); B(1, -6) B. A(3, 18); B(1, -6) C. A(1, 3); B(-6, 1) D. A(1, 1); B(3, 1)
Find the focus and the directrix of the parabola.3y2 + 12y + 13 - x = 0
A. Focus: (4, 1); directrix: x = 2
B. Focus: 
; directrix: x = 
C. Focus: 
; directrix: y = 
D. Focus: 
; directrix: x = 
Solve the problem.An explosion causes debris to rise vertically with an initial velocity of 160 feet per second. The function 
describes the height of the debris above the ground, s(t), in feet, t seconds after the explosion. What is the instantaneous speed of the debris when it hits the ground?
A. -160 B. 320 C. 160 D. -320