Subtract the polynomials. Express your answer in standard form.(4x2 - 9x + 14) - (7x2 - 16x - 14)
A. -3x2 + 7x + 28
B. 32x9
C. -3x2 + 7x + 0
D. -3x2 - 2x + 0
Answer: A
Mathematics
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Match the vector equation with the correct graph.
r(t) = 
ti +(2 - t)k; 0 ? t ? 2
A. Figure 8 B. Figure 1 C. Figure 5 D. Figure 3
Mathematics
Solve the problem.Police use a formula s = S 
, where S is the test-car speed (mph) and L is the test-skid length (feet), to find the actual speed s in an accident which left a skid mark of length l. Find the actual speed (to the nearest tenth) when S = 63 mph, l = 150 ft, L = 100 ft.
A. 77.2 mph B. 113.0 mph C. 51.7 mph D. 94.5 mph
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Determine whether the diagram could represent a function.
A. Yes B. No
Mathematics
is a solution of the differential equation.
?
; 
Answer the following statement true (T) or false (F)
Mathematics