Determine whether or not the function is one-to-one.f(x) = 0.43
A. Yes
B. No
Answer: B
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Find an equation of a parabola satisfying the given conditions.Focus at (2, 6), directrix x = -4
A. (x - 2)2 = 12(y - 6) B. (x - 6)2 = 12(y + 1) C. (y - 6)2 = 12(x + 1) D. (y - 6)2 = 12(x - 2)
The argument has a true conclusion. Identify the argument as valid or invalid.A square is a parallelogram.A square has four sides. A parallelogram has four sides.
A. Valid B. Invalid
Determine the vertex and the x-intercepts. Then sketch the graph.y = x2 + 2x
A. 
Vertex: (- 1, - 1);
x-intercepts: (0, 0) and (-2, 0)
B. 
Vertex: (1, 1);
x-intercepts: (0, 0) and (2, 0)
C. 
Vertex: (1, - 1);
x-intercepts: (0, 0) and (2, 0)
D. 
Vertex: (- 1, 1);
x-intercepts: (0, 0) and (-2, 0)
Simplify, leaving exponents in the answer.
A. x13 - x4
B. 
C. x17
D. x9