Determine whether the lines through each pair of points are perpendicular.(7, 1) and (11, -7); (-6, -5) and (-10, -3)
A. perpendicular
B. not perpendicular
Answer: B
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Solve the problem.Find equations of all tangents to the curve f(x) = 
that have slope -1.
A. y = -x - 7, y = -x - 11 B. y = -x - 7 C. y = -x + 11, y = -x - 7 D. y = -x + 11
Determine whether the statement is a proposition.0.8 = .08
A. Not a proposition B. Proposition
Find all the polar coordinates of the point.(4, ?/4)
A. (4, ?/4 + 2n?), (-4, 3?/4 + 2n?) B. (4, ?/4 + 2n?), (-4, -?/4 + 2n?) C. (4, ?/4 + 2n?), (4, -3?/4 + 2n?) D. (4, ?/4 + 2n?), (-4, -3?/4 + 2n?)
Find the domain and range of the inverse of the given function.f(x) = 
A. Domain: (-?, 0) ? (0, ?); range: (-?, -4) ? (-4, ?) B. Domain and range: all real numbers C. Domain: all real numbers; range: (-?, -4) ? (-4, ?) D. Domain: (-?, -4) ? (-4, ?) ; range: (-?, 0) ? (0, ?)