Question

The table shows a relationship between values of x and y.

X. 2 3 4 6
Y. 7 17 31 49

Which of the following equations describes the relationship in the table? A. Y = 10x - 3
B. y = x2 + 3
C. y= 2x2 + 1
D. y=2x² - 1​

Answer 1

The answer is D.

Explanation:

For each of these questions, you just have to substitute one of the x values, where the X is in the equation. Then the equation is true is the Y value you solve for is the same as the corresponding Y value.