Solve the following inequality for the given function f(x):
f(x) = (x^2 + 1)(-2 - 3x^2)
a. f(x) > 0
b. f(x) ≥ 0
c. f(x) < 0
d. f(x) ≤ 0
Thank you for any help, I appreciate it!
Follow Math Help Forum on Facebook and Google+
Here is a hint
x²+1 > 0 for all x real
3x² + 2 > 0 for all x real
Do I graph the function and take the answers from the graph?
No 'cause running-gag's hint is the best hint you'd ever get. is and those factors are always positive, hence for all
View Tag Cloud