Solve the problem.What is the domain of the cosine function?
A. all real numbers from -1 to 1, inclusive
B. all real numbers, except integral multiples of ? (180°)
C. all real numbers
D. all real numbers, except odd multiples of 
(90°)
Answer: C
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Find all vertical asymptotes of the given function.f(x) = 
A. x = 1, x = -4 B. x = -1 C. x = -1, x = 4 D. x = -1, x = -4
An initial investment of $4000 grows at an annual interest rate of 5% compounded continuously. How long will it take to double the investment?
a. 1 year b. 14.40 years c. 13.86 years d. 14.86 years
Solve by the quadratic formula. Simplify answers. Use i notation for nonreal complex numbers.x2 + x + 5 = 0
A. x = 
B. x = 
C. x = 
D. x = 
Suppose that a nonlinear system is composed of equations whose graphs are those described, and the number of points of intersection of the two graphs is as given. Make a sketch satisfying these conditions.A parabola and a circle; three points
What will be an ideal response?