Perform the indicated operation. Write the result in the form a + bi.(3 - 2i) + (9 + 5i)
A. -6 + 7i
B. -12 - 3i
C. 12 + 3i
D. 12 - 3i
Answer: C
Mathematics
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Find f so that F = ?f. If the fuction is not conservative state so.F(x,y) = (x + 2y - 7)i + (-2x + 7y2 + 7)j
A. f(x, y) = 
- 2xy + 7x + 
+ 7y + C
B. f(x, y) = 
- 2xy + 
+ C
C. f(x, y) = 
+ 2xy - 7x + 
+ C
D. not conservative
Mathematics
Graph the inequality.y ? x2 + 4
A. 
B. 
C. 
D. 
Mathematics
Sketch the graph of the quadratic function. Identify the vertex and axis of symmetry.f(x) = (x + 1)2 - 9
A. vertex: (1, - 9)
axis of symmetry: x = 1
B. vertex: (1, - 9)
axis of symmetry: x = 1
C. vertex: (- 1, - 9)
axis of symmetry: x = - 1
D. vertex: (- 1, - 9)
axis of symmetry: x = - 1
Mathematics
Graph the equation.
?
?
A. ?
B. ?
C. ?
D. ?
Mathematics