Perform the indicated operation, where possible.
- 
A. 
B. 
C. 
D. 
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 the origin at an angle of ? radians to the horizontal and an initial speed of 
Find the position function r(t) for this projectile.
A. r(t) = (175t sin ? - 16t2)i + (175t cos ?)j B. r(t) = (175t sin ?)i + (175t cos ? - 16t2)j C. r(t) = (175t cos ? - 32t2)i + (175t sin ?)j D. r(t) = (175t cos ?)i + (175t sin ? - 16t2)j
Solve the right triangle ABC with C = 90°. Your answer should give an angle in decimal degrees when given an angle in decimal degrees and in degrees and minutes when given an angle in degrees and minutes. Use the rules for significant digits.A = 71.2°, c = 9.03 cm
A. B = 28.8°, a ? 8.55 cm, b ? 2.91 cm B. B = 28.8°, a ? 2.91 cm, b ? 8.55 cm C. B = 18.8°, a ? 2.91 cm, b ? 8.55 cm D. B = 18.8°, a ? 8.55 cm, b ? 2.91 cm
Graph the inequality.y ? 4x 
A. 
B. 
C. 
D. 
The graph of a function is given. Determine whether the function is increasing, decreasing, or constant on the given interval.(-1, 0)
A. constant B. increasing C. decreasing