Plot the complex number.z = 4i
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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The function f is one-to-one. Find its inverse.f(x) = 5x - 7
A. f-1(x) = 
B. f-1(x) = 
C. f-1(x) = 
+ 7
D. f-1(x) = 
- 7
Mathematics
Find the center and radius of the circle with the given equation. x2 + y2 = 9
A. (3, 3); r = 3 B. (0, 0); r = 9 C. (0, 0); r = 3 D. (3, 3); r = 9
Mathematics
Graph the equation using the slope and the y-intercept.3y - 6x = 9
A. 
B. 
C. 
D. 
Mathematics
Solve the inequality. Graph the results.x - 1 < 6
A. x ? 7
B. x ? 7 
C. x > 7 
D. x < 7
Mathematics