Identify the degree of each term and the degree of the polynomial.8x - 2x2 + 3 - 3x3
A. 8, -2, 3, -3; 8
B. 1, 2, 0, 3; 3
C. 3, 2, 1, 0; 3
D. 1, -2, 0, -3; 1
Answer: B
Mathematics
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Determine whether the statement is a proportion.
A. Yes B. No
Mathematics
Find the appropriate linear cost or revenue function.An electrician charges a fee of $45 plus $30 per hour. Let C(x) be the cost in dollars of using the electrician for x hours. Find the linear cost function.
A. C(x) = 45x + 30 B. C(x) = 30x - 45 C. C(x) = 30x + 45 D. C(x) = 45x - 30
Mathematics
Solve the equation by completing the square.x2 + 4x - 9 = 0
A. {-1 - 
, -1 + 
}
B. {-2 - 1
, -2 + 1
}
C. {-2 - 
, -2 + 
}
D. {2 + 
}
Mathematics
Graph the system of inequalities.x - 2y ? 2 x + y ? 0
A. 
B. 
C. 
D. 
Mathematics