Find an equation for the ellipse described. Graph the equation.Center at (-4, 2); focus at (-9, 2); contains the point (-10, 2)

A.  +  = 1

B.  +  = 1

C.  +  = 1

D.  +  = 1


Answer: A

Mathematics

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Find the unit tangent vector of the given curve.r(t) = 12t4i - 4t4j + 3t4k

A. T = j + k
B. T = j + k
C. T = j - k
D. j + k

Mathematics

Solve the problem.Janet drove 316 kilometers and the trip took 4 hours. How fast was Janet traveling?

A. 79 km/hr  
B.  km/hr
C. 1264 km/hr  
D. 80 km/hr

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Find the prime factorization of the number.32

A. 2 ? 2 ? 2 ? 2 ? 5 B. 2 ? 2 ? 2 ? 2 ? 2 ? 2 C. 2 ? 2 ? 2 ? 2 D. 2 ? 2 ? 2 ? 2 ? 2

Mathematics

Answer the question about the given function.Given the function f(x) = , is the point (2, - 3) on the graph of f?

A. Yes B. No

Mathematics