Which are true of the function f(x)=49(1/7)^x

True or false? a triangle can be circumscribed about a given circle

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

Describe the domain and range of y=2(3)^x-2+5