Solve the problem.Graph f(t) = sec t using degree mode in a friendly window such as 
by 
Then use the trace feature to evaluate f(t) at 
A. -1.414
B. Error
C. 1.414
D. 1
Answer: A
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A population N declines by 7% each year. The initial population is 5,056. The population after ?t years is given by ?
A. 
B. 
C. 
D. 
Solve the problem.The Cool Company determines that the supply function for its basic air conditioning unit is 
and that its demand function is 
, where p is the price. Determine the price for which the supply equals the demand.
A. $22.86 B. $21.86 C. $21.36 D. $22.36
Solve the problem.A formula used to determine the velocity v in feet per second of an object (neglecting air resistance) after it has fallen a certain height is 
where g is the acceleration due to gravity and h is the height the object has fallen. If the acceleration g due to gravity on Earth is approximately 32 feet per second, find the velocity of a bowling ball after it has fallen 30 feet. (Round to the nearest tenth.)
A. 31.0 ft per sec B. 7.7 ft per sec C. 43.8 ft per sec D. 1920 ft per sec
Evaluate the expression for the given value or values.
, for y = -21, z = 7
A. -7 B. -3 C. 3 D. 7