The ordered pairs (1,3) (2,6) (3,9) (4,12) and (5,15) represent a function. what is a rule that represents this function?

a- y=x^3
b- y=3^x
c- y=3x
d- y=x+3

AMSWER

C y=3x

EXPLANATION

The given ordered pairs are

(1,3) (2,6) (3,9) (4,12) and (5,15)

There is a constant difference in the y-values.

d=15-12=3

Let the rule that represent the function be

y=dx +c

When we substitute

d=3, we get;

We put x=1 and y=3 to obtain,

The rule is

x is variable or an unknown value to find

example:

2x = 5 which means x = 3

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step-by-step explanation: