The cost C (in millions of dollars) of removing p% of the industrial and municipal pollutants discharged into a river is given by
?
.
?
Select the correct graph of the cost function.
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: A
Mathematics
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Solve for the indicated variable.V = 
Bh for h
A. h = 
B. h = 
C. h = 
D. h = 
Mathematics
Use the information given about the angle ? to find the exact value of the indicated trigonometric function.cot ? = -3, sec ? > 0Find sin 
.
A. 
B. -
C. 
D. 
Mathematics
Solve the application. Write the following number in standard form.The speed of light is 1.86 × 105 miles per hour.
A. 18,600,000 B. 186,000 C. 1,860,000 D. 0.0000186
Mathematics
Given the function, find the indicated value.f(x) = 9 - 3x2; f(7)
A. -138 B. -33 C. -12 D. 156
Mathematics