Plot the ordered pair in the coordinate plane. In which quadrant or on which axis does the point lie?(0, -6.5)
A. x-axis
B. y-axis
C. y-axis
D. x-axis
Answer: C
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Use a right triangle to write the expression as an algebraic expression. Assume that x is positive and in the domain of the given inverse trigonometric function.sin(tan-1 
)
A. 
B. x
C. 
D. 
Solve the problem.The sum of the ages of Art, Ben, and Cal is 59. Art is 1 year older than Cal and Cal is 1 year younger than Ben. Which of these people were teenagers 7 years ago?
A. Art and Ben B. Art C. Art, Ben, and Cal D. Ben
Find all relative extrema for the function, and then match the equation to its graph.
z = -x4 + y4 + 2x2 - 2y2 + 
A. Relative maxima of 
at (1, 1) and
at (-1, -1); saddle point at (0, 0)
B. Relative minima of - 
at (0, 1) and
at (0, -1); saddle point at (0, 0)
C. Saddle points at (0, 0), (-1, 1), (1, -1), (1, 1),
and (-1, -1)
D. Relative maxima of 
at (-1, 1) and
at (1, 1)
Solve.
x + 1= 
x - 1
A. - 
B. - 1
C. - 
D. 