Which statements are true of functions? Check all that apply. All functions have a dependent variable.
All functions have an independent variable.
The range of a function includes its domain.
A vertical line is an example of a functional relationship,
O A horizontal line is an example of a functional relationship
Each output value of a function can correspond to only one input value.

what? ?

what type of question is thiss

step-by-step explanation:

where is abdul's work? don't see that anywhere posted : /

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.