Rationalize the denominator and simplify.
A. 
B. 
C. 
D. 
Answer: D
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The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 0 for r(t) = t2i + (7t3 - 8)j + 
k
A. a(0) = 2i - 
k
B. a(0) = 2i - 
k
C. a(0) = 2i - 
k
D. a(0) = 2i + 
k
Provide an appropriate response.Monthly payments are the fastest way to pay off a home mortgage.
A. True B. False
Use the given graph of a quadratic function to find the vertex, axis of symmetry, y-intercept, and x-intercept(s).
A. vertex: (-1, 4) axis of symmetry: x = -1 y-intercept: 3 x-intercepts: 1 and - 3 B. vertex: (-1, 4) axis of symmetry: x = -1 y-intercepts: 1 and - 3 x-intercept: 3 C. vertex: (4, -1) axis of symmetry: x = 4 y-intercepts: 1 and - 3 x-intercept: 3 D. vertex: (-1, 4) axis of symmetry: x = 4 y-intercept: 3 x-intercepts: 1 and - 3
Use an inequality symbol to write the given statement symbolically.2 is less than or equal to -2x.
A. 2 < -2x B. 2 ? -2x C. 2 = -2x D. 2 > -2x