Solve the problem.What is the range of the cosine function?
A. all real numbers greater than or equal to 1 or less than or equal to -1
B. all real numbers greater than or equal to 0
C. all real numbers
D. all real numbers from -1 to 1, inclusive
Answer: D
You might also like to view...
Solve the given problem by using Laplace transforms.A 10-H inductor, a 40-?F capacitor, and a voltage supply whose voltage is given by 
are connected in series. Find the current as a function of time if the initial charge on the capacitor and the initial current are both zero.
A. i = 5t sin -50t B. i = 5t cos 50t C. i = 5t sin 100t D. i = 5t sin 50t
Provide an appropriate response.Which of the following is not a condition for applying the integral test to the sequence {an}, where an = f(n)?
A. f(x) is continuous for x ? N B. f(x) is everywhere positive C. f(x) is decreasing for x ? N D. All of these are conditions for applying the integral test.
State the value of the discriminant and the number of real solutions.5x2 - 20 = 0
A. 400, one B. 400, two C. 0, one D. -400, two
Provide the proper response.What is wrong with the statement "The line has no slope."?
What will be an ideal response?