Answer:
no
Step-by-step explanation:
one x should only have one y for it to be a function
Lets call the number 'n'
plus means addition
is means the equal sign
so that as an expression would be

n+4=7
He earns a $300 base plus 15% on his $1,500 sales over $1000
15% of $1,500 is $255
$300+$255 is $525
The answer is C
Y = 2m + p
12 = 2m + 2
10 = 2m
5 = m
The taxi cab traveled 5 miles.