Write the expression in the standard form a + bi.If z = 9 - 3i, evaluate z + 
.
A. -6i
B. 18 + 6i
C. 18 - 6i
D. 18
Answer: D
You might also like to view...
Solve the problem.If f(x) = 4x + 14 and g(x) = 3x - 1, find f(g(x)).
A. 12x + 41 B. 12x + 13 C. 12x + 18 D. 12x + 10
Use a graphing calculator to find the location of all relative extrema (to three decimal places).f(x) = x4 - 4x3 - 53x2 - 86x - 66
A. Relative maximum at x = 1; relative minima at x = -3.231 and x = 7.234 B. Relative maximum at x = 0.98; relative minima at x = -3.16 and x = 7.101 C. Relative maximum at x = 0.962; relative minima at x = -3.146 and x = 7.222 D. Relative maximum at x = -0.944; relative minima at x = -3.192 and x = 7.136
Suppose that 20,000 fans will go to a ball game when the price of a ticket is $5.00, and that 500 fewer fans will go for each $1.00 increase in ticket price. By how much should ticket prices be increased (or decreased) in order to maximize revenue?
A. increase price by $22.50 B. increase price by $45.00 C. decrease price by $1.00 D. increase price by $17.50
Use the graph to determine the function's domain and range.
A. domain: (-?, ?) range: (-?, ?) B. domain: (-?, 5) or (5, ?) range: (-?, 3) or (3, ?) C. domain: (-?, 5] range: (-?, 3] D. domain: (-?, ?) range: (-?, 3]