I would say direct because the more gallons of gasoline used, the bigger the cost.
5m+2m+2 = 23
7m=21 , So:: m=21:7
m=3
259% increase because 6 x 2 is 12 and 3 is the remainder and 3/6 is 50%
Answer:
First option
Step-by-step explanation:
There's no value of x which makes the function undefined .
So x can take any real value
i.e. -infinity < x < +infinity