The answer is C. $7.65! Hope this helps(:
Answer:
1st one
Step-by-step explanation:
Linear means straight and when you graph this one it is a straight line
You can find the rate of change by taking it's derivative.
-19 to -15 would be a positive 4 difference
19 to 15 = 4 this would be a -4 difference
3 to 7 is a positive 4 difference
-3 to 7 is a difference of 10
so there is 1 with a -4 difference
answer is B.
Probably y = 8x. 56 = 8(7), so that works. Without more data, I couldn't say if it could be something else, so that's what I go with.
