Identify the variation as direct, inverse, joint or combined. f=4/r joint combined direct inverse

unless if u could do my questions, if not i wouldn't want to

inverse operation of addition

h is the x-coordinate of the vertex

step-by-step explanation:

we have

in this function

the point represent the vertex of the function

so

h is the x-coordinate of the vertex

k is the y-coordinate of the vertex