Which equation represents a linear function? equation 1: y = 2x2 + 1 equation 2: y2 = 3x + 1 equation 3: y = 5x − 1 equation 4: y = 4x4 − 1 a. equation 1 b. equation 2 c. equation 3 d. equation 4

Ineed no it anyone can see this

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236