Find the required inverse and locate on the number line.Find the multiplicative inverse for - 4 and graph on the number line. 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Evaluate or simplify the given expression.cos-1 
A. ?
B. 
C. 
D. 0
Mathematics
Determine the type of curve from the given information.Two spikes 19 ft apart are secured to the ground and each end of a rope 38 ft long is tied to one of the spikes. If the rope is stretched taut by a pulley and the pulley is moved about, what curve is represented by the motion of the pulley?
A. Hyperbola B. Parabola C. Ellipse D. None of the above
Mathematics
Solve the equation by factoring.10x3 + 70x2 + 120x = 0
A. {0, -4, -3}
B. {0, 4, 3}
C. {-4, -3}
D. 
Mathematics
Find the zeros of the function. Give exact answers.f(x) = x2 - 9x - 9
A. 
B. 
C. 
D. 
Mathematics