Determine if the vertex of the graph is a maximum point or a minimum point.f(x) = -2x2 - 2x + 2
A. Minimum
B. Maximum
Answer: B
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The term proportional is used to indicate that one thing is a multiple of another.
Answer the following statement true (T) or false (F)
Write the sentence as an equation or inequality. Use x to represent any unknown number.Three subtracted from a number is 0.
A. 3x = 0 B. 3 - x = 0 C. x + 3 = 0 D. x - 3 = 0
Using a calculator, solve the following problems. Round your answers to the nearest tenth.A ship leaves port with a bearing of N 34° W. After traveling 26 miles, the ship then turns 90° and travels on a bearing of S 56° W for 8 miles. At that time, what is the bearing of the ship from port?
A. N 16.9° W B. N 17.1° W C. N 73.1° W D. N 51.1° W
Complex numbers are used in electronics to describe the current in an electric circuit. Ohm's law relates the current in a circuit, I, in amperes, the voltage of the circuit, E, in volts, and the resistance of the circuit, R, in ohms, by the formula 
Solve the problem using this formula.Find E, the voltage of a circuit, if I = (8 + 3i) amperes and R = (5 + 3i) ohms.
A. (31 - 39i) volts B. (39 + 31i) volts C. (39 - 31i) volts D. (31 + 39i) volts