Find the vertex.f(x) = -(x + 2)2 + 5
A. (5, -4)
B. (- 5, -2)
C. (-2, 5)
D. (-5, 2)
Answer: C
Mathematics
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Draw the angle having the given radian measure.225° 
A. 
B. 
Mathematics
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
Mathematics
Perform the indicated operations and write the result in standard form.
A. -30
B. -
C. 
i
D. -
Mathematics
Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 6(cos 40° + i sin 40°), z2 = 4(cos 17° + i sin 17°)
A. 24(cos 23° + i sin 23°) B. 10(cos 320° + i sin 320°) C. 24(cos 57° + i sin 57°) D. 10(cos 57° + i sin 57°)
Mathematics