Find 
.f(x) = 8x2 + 6x - 3
A. 16xh + 6h + 6h2
B. 16x + 6 + 8h
C. 8x + 6 + 16h
D. 16x + 6
Answer: B
Mathematics
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Write a general formula to describe the variation.The safety load ? of a beam with a rectangular cross section that is supported at each end varies directly as the product of the width W and the square of the depth D and inversely as the length L of the beam between the supports.
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Mathematics
Solve the system.
A. (-2, -5, 2) B. (2, -5, -2) C. (-2, 2, -5) D. ?
Mathematics
Graph the function.y = csc
A. 
B. 
C. 
D. 
Mathematics
Convert to decimal notation.- 
A. -0.
B. 0.
C. 0.33333333
D. -3
Mathematics