Question

identify the range of the following function when given the domain {2, 3, 10}: y = 4x - 12. options: -20, 0, 28; -4, 0, 28; 8, 12, 40; 4, 12, 20

Explanation:

Step1: Substitute x=2 into y=4x-12

$y = 4\times2 - 12 = 8 - 12 = -4$

Step2: Substitute x=3 into y=4x-12

$y = 4\times3 - 12 = 12 - 12 = 0$

Step3: Substitute x=10 into y=4x-12

$y = 4\times10 - 12 = 40 - 12 = 28$

Answer:

-4, 0, 28 (corresponding to the option with values -4, 0, 28)