Solve, finding all solutions.sin x = - 
(Express your answer in degrees.)
A. 135° + k ? 360° and 315° + k ? 360°, where k is any integer
B. 225° + k ? 360° and 315° + k ? 360°, where k is any integer
C. 45° + k ? 360° and 315° + k ? 360°, where k is any integer
D. 240° + k ? 360° and 300° + k ? 360°, where k is any integer
Answer: B
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Solve the problem.A bullet is fired with a muzzle velocity of 1209 ft/sec from a gun aimed at an angle of 12° above the horizontal. Find the vertical component of the velocity.
A. 257.0 ft/sec B. 1183 ft/sec C. 251.4 ft/sec D. 1020 ft/sec
The graph of a quadratic function is given. Choose the function's equation.
A. f(x) = -x2 - 4x - 4 B. f(x) = -x2 + 2 C. f(x) = -x2 - 2 D. f(x) = -x2 + 4x + 4
Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even.C(x) = 0.8x + 320R(x) = 1.2x
A. 820 units B. 800 units C. 201 units D. 810 units
Use the graph to find the oblique asymptote, if any, of the function.
A. no oblique asymptote B. y = x C. y = -x D. y = 2x