Which expression can be used to find the output numbers in the table?
Input (x) Output
12
18
13
19
14
20
15
21
B
6- X
X-6
6 x

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

x = 23.78

step-by-step explanation:

if you was gonna solve for a, a is a   < -12

= 5

step-by-step explanation:

to find the 15th term substitute n = 15 into the nth term formula

= (- 3 × 15 ) + 50 = - 45 + 50 = 5