Answer:
Graph A. not a function
Graph B. is a function
Mapping A. is a function
Mapping B. not a function
Table A. not a function
Table B. is a function
thats the answer just look at the picture :)
for the work
y=55x
given y=385
x=gallons of gas = 385/55 = 7 gallons
inverse function
change x to y and y to x
x=55y
y=x/55
inverse function is x/55
Step-by-step explanation:
7 = 3t + 1
t = 6
....................
7 = 3t - 2t + 3
t = 4
