Solve the inequality and graph the solution set on a number line.
? -7
A. [-35, ?)
B. (-?, -35]
C. (-?, -35)
D. (-35, ?)
Answer: B
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Solve the problem. Unless stated otherwise, assume that the projectile flight is ideal, that the launch angle is measured from the horizontal, and that the projectile is launched from the origin over a horizontal surfaceAn ideal projectile is launched from level ground at a launch angle of 26° and an initial speed of 48 m/sec. How far away from the launch point does the projectile hit the ground?
A. ? 185 m B. ? 290 m C. ? 230 m D. ? 60 m
Factor completely. If unfactorable, indicate that the polynomial is prime.x2 + 6x + 9 - 49 y2
A. (x - 3 + 7y)(x - 3 - 7y) B. (x + 7y)(x - 7y) C. (x + 6 + 7y)(x + 6 - 7y) D. (x + 3 + 7y)(x + 3 - 7y)
Write the ordered pair for each point shown in the xy plane.
A. G = (-6, 30), H = (-3, -4) B. G = (7, -3), H = (-6, -3) C. G = (7, -6), H = (-4, -3) D. G = (7, -6), H = (-3, -4)
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. half-open interval; {x|2 < x ? 8}; (2, 8] B. closed interval; {x|2 ? x ? 8}; [2, 8] C. open interval; {x|2 < x < 8}; (2, 8) D. half-open interval; {x|2 ? x < 8}; [2, 8)