Answer:
No
Step-by-step explanation:
y = 4x + 1 is not a direct variation. Direct variations have the form y = kx. So y = 4x would be a direct variation (k=4), but not y = 4x+1
Answer:
A
Step-by-step explanation:
2.5 x 3.4 = 8.5
Average rate of change is defined by (y^-y)/(t^-t) where the ^ means the final(so final y and final t)
So you'd do (8.75-2.75)/(12-4) which is 6/8 which is 3/4 of a dollar per week
Answer:
A.) x = -15
Step-by-step explanation:
-19+4 = x
x = -15
20/5 and -20/-5 are equivalent
