Multiply. Write the result in the form a + bi.(-6 + 4i)2
A. 20 - 48i
B. 52 + 48i
C. 52 - 48i
D. 20 + 48i
Answer: A
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Graph the system of inequalities.y ? 4x + 4x + y ? 1
A. 
B. 
C. 
D. 
Solve the problem.Ron throws a ball straight up with an initial velocity of 60 feet per second from a height of 3 feet. Find parametric equations that describe the motion of the ball as a function of time. How long is the ball in the air? When is the ball at its maximum height? What is the maximum height of the ball?
A. x = 0; y = -16t2 + 60t + 3; 7.599 sec; 1.875 sec; 56.25 feet B. x = 0; y = -16t2 + 60t + 3; 3.699 sec; 1.875 sec; 3.018 feet C. x = 0; y = -16t2 + 60t + 3; 3.799 sec; 1.875 sec; 59.25 feet D. x = 0; y = -16t2 + 60t + 3; 7.399 sec; 1.875 sec; 440.862 feet
Graph the function by first finding the relative extrema.f(x) = 
A. 
B. 
C. 
D. 
Divide.
A. 6 - 3i B. -3 - 6i C. 6 + 3i D. -3 + 6i