Evaluate the function as indicated.Find f(16) when f(x) = -19x - 8.
A. -304.8
B. -312
C. -296
D. 296
Answer: B
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Find the derivative of the function.f(x) = log8 (x7 + 1)
A. 
B. 
C. 
+ 7x6
D. 
Solve the equation.
= 
- 
A. 
B. 
C. 
D. 
Solve the problem.A formula for calculating the distance, d, that can be seen from an airplane to the horizon is 
where x is the altitude of the plane in feet. Find d when the altitude is 15,441 feet. Round your answer to the nearest hundredth.
A. 9419.01 feet B. 151.6 feet C. 125.48 feet D. 251.6 feet
Solve the problem.Kelly is a partner in an Internet-based seed and garden supply business. The company offers a blend of exotic wildflower seeds for $95 per pound and a blend of common wildflower seeds for $15 per pound. Kelly is creating a medium-price product by mixing together 25 pounds of the more expensive blend with 5 pounds of the less expensive blend. What will be the price per pound for the new blend? (Round to the nearest cent, if necessary.)
A. $7.73 per pound B. $22.27 per pound C. $28.33 per pound D. $81.67 per pound