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: B
Mathematics
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Solve the problem.A boat is towed toward a dock by a cable attached to a winch that stands 15 ft above the water level (see figure). Let ? be the angle of elevation of the winch and let z be the length of the cable as the boat is towed toward the dock. Compute 
when 
A. 
= -0.00030
B. 
= -0.00418
C. 
= -0.26287
D. 
= -0.00446
Mathematics
Find the derivative of the vector function.
r(t) = a + tb + t²c
Mathematics
Find the center (h, k) and radius r of the circle with the given equation. 4x2 + 4y2 - 12x + 16y - 5 = 0
A. (h, k) = (
, -2); r = 
B. (h, k) = (
, -2); r = 
C. (h, k) = (- 
, 2); r= 
D. (h, k) = (- 
, 2); r = 
Mathematics
Find the area of the shaded region.
A. 113.2 units2 B. 66.8 units2 C. not enough information given D. 58.4 units2
Mathematics