Use a calculator to find a decimal approximation for the indicated function values. Round your answer to four decimal places.cos 1.15
A. 0.4085
B. 0.0682
C. -0.4085
D. -0.0682
Answer: A
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Enrollment at a certain university t years after 2000 is given by
.
At what enrollment level is enrollment growing at the fastest rate? Round your answer to two decimal places, if necessary.
?
A. 
B. 
C. 
D. 
Solve the problem.Assume that the elevation E, in feet, of a sag in a proposed route is given by 
where x represents the horizontal distance in feet along the proposed route and 0 ? x ? 5000. For what x-values is the elevation 1100 feet or more? Round your answer to the nearest foot.
A. x < 937 ft or x > 5483 ft B. x < 947 ft or x > 5473 ft C. x < 937 ft or x > 5473 ft D. x < 947 ft or x > 5483 ft
Simplify the exponential expression using the rules for exponents.
A. 
B. 
C. 
D. 
Determine whether B is the inverse of A.A = 
, B = 
A. Yes B. No