(4.04 lc)

which equation represents a linear function?

equation 1: y3 = 2x + 1
equation 2: y = 3x + 1
equation 3: y = 5x2 − 1
equation 4: y = 4x4 − 1

a. equation 1
b. equation 2
c. equation 3
d. equation 4

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Identify the number 127 as a rational or irrational. explain

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.