Perform the indicated operation.(-9 + 2x4 + 9x6 + 2x5) + (5x5 - 8x4 + 8 + 3x6)
A. 13x30 - 1
B. -4x6 - 4x5 + 17x4 + 5
C. 12x12 + 7x10 - 6x8 - 1
D. 12x6 + 7x5 - 6x4 - 1
Answer: D
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Graph the linear equation.8x + y = 0
A. 
B. 
C. 
D. 
Indicate whether the value of x shown is a solution of the given inequality by answering true or false.Value of x: -2
Inequality: 2(x + 8) < 10
A. True B. False
Solve the problem.A company that produces scientific calculators has two different manufacturing plants. The profit function for plant A when x calculators are manufactured and sold is 
The profit function for plant B when x calculators are manufactured and sold is 
For what number of calculators is the profit the same at both plants and what is the profit?
A. 0 calculators, $0 B. 300 calculators, $2000 C. 100 calculators, $1000 D. 200 calculators, $1500
Find the function value. If it is undefined, say so. sec (-630°)
A. 1
B. 
C. Undefined
D. 0