Solve the problem.The cost C of producing t units is given by C(t) = 2t2 + 7t, and the revenue R generated from selling t units is given by  For what values of t will there be a profit?

A. t > 6
B. t > 8
C. t > 0
D. t > 7


Answer: A

Mathematics

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Solve the problem.Each time Paul gets paid, 7% of his pay check is deposited into his savings account. The amount of Paul's pay check is $400. How much money will he deposit into his savings account?

A. $28 B. $280 C. $27 D. $2800

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Graph the function.y = -3 tan 

A.

B.

C.

D.

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Use < or > to compare approximations to actual values of the described definite integral. Suppose y = f(x) is differentiable, decreasing, and concave down on [a, b]. Fill in each blank with < or >.a) Ln ___ b) Rn ___ c) Tn ___ 

A. a) Ln > 
b) Rn > 
c) Tn < 
B. a) Ln < 
b) Rn > 
c) Tn < 
C. a) Ln > 
b) Rn < 
c) Tn > 
D. a) Ln > 
b) Rn < 
c) Tn < 

Mathematics

Write in decimal notation.5.54 × 10-4

A. 0.00554 B. 0.000554 C. 0.0000554 D. -554,000

Mathematics