Answer:
[4, positive infinity]
Step-by-step explanation:
since f(4) exists, the interval starts at 4, and continues to infinity.
This is not always true. Consider . Then is even, but is odd.
yes
Answer:7
6p-4+7p+3=90
13p-1=90
13p=91
p=7
Step-by-step explanation:0.04