Math Questions?
j(x)= (x+2)^2-3 if x is less than or equal to -2
x if -2<x or less than equal to 2
-(x-1)^2+5 if x>2
(x+2)^2-3
(-4,1) solid dot (-3,-2) solid dot (-2,-3) solid dot
x
(-2,-2) empty dot (-1,-1) solid dot (0,0) solid dot (1,1) solid dot (2,2) solid dot
-(x-1)^2+5
(2,4) empty dot (3,1) solid dot (4,-4) solid dot
1. Find the range of the piecewise-defined function and enter your answer in interval notation.
2. Find the x-intercept(s)
3. The function is positive when x is in the interval(s):
4. The function is negative when x is in the interval(s):
5. Increasing
6. Decreasing
(Note: I need help with all those questions, but if you don't feel like doing them all could you at least do #1, #2, #3, and #5? TIA)