Solve the linear inequality.-20x - 32 ? -4(4x + 11)
A. x ? 3
B. x < 3
C. x ? 3
D. x > 3
Answer: C
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Find the curvature of the curve r(t).r(t) = (3 + cos 7t - sin 7t)i + (9 + sin 7t + cos 7t)j + 2k
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Graph the equation.y =
-
x - 5
A. 
B. 
C. 
D. 
Solve the problem. Round to the nearest cent or tenth of a percent.Chang bought a bumper marked up 22.6% based on selling price at a local auto repair shop. If the markup is $25.82, find the selling price and the cost.
A. Selling price = $114.25 Cost = $88.43 B. Selling price = $114.25 Cost = $140.07 C. Selling price = $88.43 Cost = $114.25 D. Selling price = $140.07 Cost = $114.25
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(5
+ 11)(
- 11)
A. 5x - 121
B. 5x - 110
- 121
C. 5x
- 55
+ 11
- 121
D. 5x
- 110
- 121