Use a graph to approximate the solutions to the equation within 0.1. x3 + 3x2 = 3x + 9
A. 3, 1.6, -1.6
B. -3, 1.7, -1.7
C. -3, 1.8, -1.8
D. 3, 1.7, -1.7
Answer: B
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Find the x- and y-intercepts of the graph of the equation. 
+ 
= 3
A. x-intercept: 9; y-intercept: 7 B. x-intercept: 12; y-intercept: 18 C. x-intercept: 4; y-intercept: 6 D. x-intercept: 18; y-intercept: 12
Evaluate the series, if it converges.10 + 4 + 
+ 
+ . . .
A. Does not converge
B. 
C. 
D. 
Graph the rational function.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.A satellite camera takes a rectangular-shaped picture. The smallest region that can be photographed is a 4-km by 6-km rectangle. As the camera zooms out, the length l and width w of the rectangle increase at a rate of 3 km/sec. How long does it take for the area A to be at least 4 times its original size?
A. 9.7 sec B. 4.94 sec C. 3.28 sec D. 1.61 sec