Question

Which function is linear? Select all that apply.

A. y=6x^3+8
B. y=4x^3+2
C. y=x+1
D. y=2x+8

Answer 1

Linear functions are given in the form y=mx+c

THERE IS NO PART WHERE X HAS GOT A POWER IN A LINEAR FUNCTION

YOU CAN SEE THAF OPTION C AND D ADE WRITTEN IN THE FORM y=mx+c therefore C AND D ARE THE SOLUTIONS!