Solve. Use the principle of square roots.(x - 7)2 = 25
A. 2, -12
B. 5, -5
C. 32
D. 12, 2
Answer: D
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Find the rectangular coordinates for the point for which the polar coordinates are given.(3.3, 4.1)
A. (-1.90, 2.70) B. (-2.70, -1.90) C. (-1.90, -2.70) D. (2.70, -1.90)
Find the x- and y-intercepts of the graph of the equation. 2x - 4y = 4
A. x-intercept: -1; y-intercept: 2 B. x-intercept: 2; y-intercept: -1 C. x-intercept: -2; y-intercept: 1 D. x-intercept: 1; y-intercept: -2
Find an equation of the tangent line to the graph of the function 
at the point 
.
?
A. 
B. 
C. 
D. 
E. 
Given the set sketched on the number line, identify the type of interval (open, closed, half-open, open infinite, closed infinite), write the set using set-builder notation, and write the set using interval notation.
A. open infinite interval; {x|x < -1}; (-?, -1) B. closed infinite interval; {x|x ? -1}; (-?, -1] C. closed infinite interval; {x|x ? -1}; [-1, ?) D. open infinite interval; {x|x > -1}; (-1, ?)