Answer:
In order to find the missing number (X), you must first identify the pattern in the set of numbers. Upon a glance, you can determine that the pattern starts with 4 and then the next number is 2n+1, with n being the preceding number in the set.
2
Step-by-step explanation:
D: y=6x
y=mx+b
b=0
y=mx
-3=m * (-1/2)
m=6
y=6x
