Multiply.(3x + 2)(x + 1)
A. x2 + 5x + 4
B. 3x2 + 5x + 2
C. 3x2 + 4x + 2
D. x2 + 2x + 5
Answer: B
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Find the area of the shaded region.
A. 
B. 8
C. 4 + 
D. 4
Use the vertex and intercepts to sketch the graph of the quadratic function.f(x) = 8 - x2 - 2x 
A. 
B. 
C. 
D. 
Decide whether the given sequence is finite or infinite.a1= 5, a2= 9; for 3 ? n ? 30, an= 4?an-1+ 5?an-2
A. Finite B. Infinite
Solve the problem.A firm is considering a new product. The accounting department estimates that the total cost, C(x), of producing x units will be C(x) = 50x + 5630.The sales department estimates that the revenue, R(x), from selling x units will be R(x) = 60x,but that no more than 942 units can be sold at that price. Find and interpret (R - C)(942).
A. $1505 profit, income exceeds cost It is worth it to develop product. B. $109,250 profit, income exceeds cost It is worth it to develop product. C. $3790 profit, income exceeds cost It is worth it to develop product. D. -$3790 loss, cost exceeds income It is not worth it to develop product.