Find the inverse of the function.f(x) = log5(x)
A. f-1(x) = ex
B. f-1(x) = 5x
C. f-1(x) = x5
D. f-1(x) = 5x
Answer: D
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Solve the problem.The time required for a block to slide down an inclined plane with angle of inclination ? is given by 
where a is the length of the base and g is the acceleration due to gravity. Solve for 
A. ? = 
sin-1 
B. ? = 
sin-1 
C. ? = sin-1 
D. ? = sin-1 
Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
B. 
C. 1
D. 
Use mathematical induction to prove the statement is true for all positive integers n.4n > n
What will be an ideal response?
Solve the problem.What is the domain of the cosine function?
A. all real numbers, except odd multiples of 
(90°)
B. all real numbers from -1 to 1, inclusive
C. all real numbers, except integral multiples of ? (180°)
D. all real numbers