Provide an appropriate response.True or false? i3 = -i
A. True
B. False
Answer: A
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Use the fundamental identities to simplify the expression.
+ csc ? sin ?
A. 1 B. tan2? C. csc2? D. sec2?
Find the simple interest rate that corresponds to the simple discount rate for the given time. Round to the nearest hundredth of a percent.12%, 60 days
A. 13.27% B. 11.22% C. 12.37% D. 12.24%
Decide whether the equation defines y as a function of x.y = -4x2 + 5x + 7
A. function B. not a function
Solve the problem.The altitude above sea level of an airplane just after taking off from an airport on a high plateau is given by the linear function y = 1100x + 2295, where y is in feet and x is the time in minutes since take-off. Find and interpret the slope and y-intercept of the linear equation.
A. m = 2295; The minutes since take-off increases 2295 for every foot of altitude. 
The minutes that the plane takes to get to the altitude of the airport from sea level.
B. m = 1100; The altitude of the airplane increases 1100 feet every minute. y-intercept: 2295; The altitude of the airport where the airplane took-off is 2295 feet above sea level.
C. m = 2295; The altitude of the airplane increases 2295 feet every minute. y-intercept: 2295; The altitude of the airport where the airplane took-off is 1100 feet above sea level.
D. m = 1100; The minutes since take-off increases 1100 for every foot of altitude. 
; The minutes that the plane takes to get to the altitude of the airport from sea level.