Find dy.y = 2x2 + 3x - 9
A. 4x - 9 dx
B. (4x + 3) dx
C. 4x dx
D. 4x + 6 dx
Answer: B
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Graph the function.f(x) = -x4 - 2x2
A. 
B. 
C. 
D. 
Solve the radical equation. Check all proposed solutions.x - 
= 4
A. x = -1 B. x = 9 C. x = 1, 2 D. x = 2, 9
In the control phase of the financial planning process, projected financial statements must be evaluated to determine:
A. the firm's operating breakeven at different sales levels. B. whether economies of scale have been achieved. C. the level of leverage the firm can attain with its forecasts. D. whether the forecasts meet the firm's financial targets. E. the amount of internal funds the firm must raise to meet its financial goals.
Solve the problem.The number G of gears a machine can make varies directly as the time T it operates. If it can make 2867 gears in 5 hours, how many gears can it make in 7 hours?
A. 573.4 gears B. 4013.8 gears C. 0.0122 gears D. 2879 gears