Find the domain and range.{(7, -7), (-4, 9), (1, 6), (-9, 8), (-6, -5)}
A. domain = {-6, -5, 6, -7, -4}; range = {-9, 9, 8, 1, 7}
B. domain = {9, 7, 6, 1, -7}; range = {-9, 8, -6, -5, -4}
C. domain = {-5, -7, 9, 8, 6}; range = {-6, 7, -4, -9, 1}
D. domain = {7, -4, 1, -9, -6}; range = {9, 6, 8, -5, -7}
Answer: D
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Solve.A formula for the circumference of a circle is C = 2?r, where r is the radius of the circle. (i) Solve the formula for r. (ii) A circle has a circumference of 42? meters. Find the radius, r, of the circle.
A. (i) r = 
(ii) 21 m
B. (i) r = 
(ii) 42 m
C. (i) r = 
(ii) 7 m
D. (i) r = 
(ii) 11 m
Provide an appropriate response.Find the equation of the line passing through the given point with the given slope (solve the equation for y): (-3, -2) and m = 1
Fill in the blank(s) with the appropriate word(s).
Solve the equation by multiplying both sides by the LCD.2 + 
= 
A. 
B. 
C. 
D. 
Solve the inequality. Write the solution in interval notation.
? 0
A. [-4, 0) ? (0, 4] B. (-?, -4] ? (0, 4] C. [-4, 0) ? [4, ?) D. (-?, -4] ? [4, ?)