Find the vertex and axis of symmetry of the parabola.x = 
(y + 2)2 - 2
A. (-2, -2); x = -2
B. (2, 2); y = 2
C. (2, -2); y = -2
D. (-2, -2); y = -2
Answer: D
Mathematics
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Find the indicated derivative for the given vector-valued function .Find Dtr(t) for r(t) = (4t4 + 5t3 - 1)i + 7k.
A. Dtr(t) = (16t3 + 15t2)k B. Dtr(t) = (16t3 + 15t2)i + k C. Dtr(t) = (16t3 + 15t2)i D. Dtr(t) = (4t3 + 3t2 - 7)i + k
Mathematics
Find the value of the variable that satisfies the equation.-4x + 8 = -9 - 3x
A. x = 7
B. x = 17
C. x = - 
D. x = 
Mathematics
Solve the equation symbolically.3x2 + 7x - 5 = x(7 + 3x) - 5
A. 4 B. No solution C. - 4 D. All real numbers
Mathematics
Use the equation and the corresponding graph for the quadratic function to find what is requested.f(x) = (x - 3)2 - 4
Find the x-intercepts.
A. (0, 1) and (0, 5) B. (1, 0) and (5, 0) C. (3, -4) D. (2, 0) and (6, 0)
Mathematics