Determine the difference quotient 
(h ? 0) for the function f. Simplify completely.f(x) = 8x2 + 5x - 5
A. 16xh + 5h + 5h2
B. 8x + 6 + 16h
C. 16x + 5
D. 16x + 5 + 8h
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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Solve the problem.Raya has $230 in her checking account. She writes a check for $43, makes a deposit for $90, and then writes another check for $122. Find the amount left in her account.
A. -25 dollars B. 155 dollars C. 25 dollars D. -155 dollars
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Establish the identity.cos
= -sin x
What will be an ideal response?
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For the quadratic function, tell whether the graph opens up or down and whether the graph is wider, narrower, or the same shape as the graph of 
f(x) = 
x2 - 5
A. Up; narrower B. Up; wider C. Down; wider D. Down; narrower
Mathematics