Combine. Simplify the answer.
+ 
A. 
B. 
C. 
D. 
Answer: D
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For the point given in rectangular coordinates, find equivalent polar coordinates 
for 
and 
Approximate ? to the nearest hundredth of a radian.(-7, 24)
A. (25, 1.29) B. (50, 1.29) C. (25, 1.85) D. (25, 2.86)
Solve and graph the inequality. Give answer in interval notation.-14 < -3x + 4 ? -2 
A. [2, 6)
B. (-6, -2]
C. [-6, -2)
D. (2, 6]
Find the vertex, focus, and directrix of the parabola with the given equation.(x - 1)2 = 8(y + 3)
A. vertex: (-3, 1) focus: (-3, 3) directrix: y = -1 B. vertex: (1, -3) focus: (1, -1) directrix: y = -5 C. vertex: (-1, 3) focus: (-1, 5) directrix: y = 1 D. vertex: (1, -3) focus: (1, -5) directrix: x = -1
Solve the problem.If $2500 is invested in an account that pays interest compounded continuously, how long will it take to grow to $5000 at 7%? Round to the nearest tenth.
A. 12.1 years B. 4.9 years C. 9.9 years D. 10.0 years