Identify the following as an expression or an equation. 
x + 4 = 
x - 8
A. Equation
B. Expression
Answer: A
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Find the area enclosed by the given curves.y = 2x - x2, y = 2x - 4
A. 
B. 
C. 
D. 
Solve the problem.AAA Technology finds that the total revenue function associated with producing a new type of computer chip is 
and the total cost function is 
where x represents the number of units of chips produced. Find the total profit function, P(x) .
A. P(x) = 0.03x2 + 6x + 60 B. P(x) = -0.03x2 + 6x - 58 C. P(x) = -0.03x2 + 6x + 82 D. P(x) = -0.03x2 - 6x + 58
Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.When 5 times a number is subtracted from 7 times the number, the result is 16. Find the number.
A. 5x(7 - x) = 16; -8 B. 7x - 5x = 16; 8 C. 5(x - 7) = 16x; 0.3 D. 5x + 8x = 16; 2
Factor completely. If the polynomial is prime, so state.8a2 - 2ab - 3b2
A. (2a + b)(4a - 3b) B. (8a + b)(a - 3b) C. (2a - b)(4a + 3b) D. prime