The table below shows an input/output relationship. Find the Starting Value/y-intercept.

Answer:
Input 0 and Output -6
Step-by-step explanation:
The reason why is that we know that -4 has a output of -18 which -3 has a output of -15 meaning each time x increases by 1 the output increases by 3. 1:3 ratio basically so since we know this the starting value should be
y=0+3x