Find the domain of the function.f(x) = x2 + 1
A. {x|x ? -1}
B. all real numbers
C. {x|x > -1}
D. {x|x ? -1}
Answer: B
Mathematics
You might also like to view...
Use the method of variation of parameters to solve the differential equation.y'' + y = sec x tan x
A. y = C1 cos x + C2 sin x - sin x(x + tan x) + sin x ln|csc x| B. y = C1 cos x + C2 sin x + sin x(x - tan x) + cos x ln|sec x| C. y = C1 cos x + C2 sin x + cos x(x - tan x) + sin x ln|sec x| D. y = C1 cos x + C2 sin x + cos x(x - tan x) + cos x ln|sec x|
Mathematics
Write the following as a rate in lowest terms.12 tests for 60 students
A. 
B. 
C. 
D. 
Mathematics
Give an appropriate answer.Let
f(x) = -1 and
g(x) = 5. Find
[f(x) - g(x)].
A. -6 B. 4 C. -1 D. -3
Mathematics
Find the median for the group of data items.10, 7, 25, 14, 46, 35, 35
A. 25 B. 14 C. 25.1 D. 35
Mathematics