At the beginning of spring Madeline planted a small sunflower in her backyard. When it was first planted the sunflower was 10 inches. The sunflower began to grow at a rate of 1 inch per week. How tall would sunflower be after 9 weeks? How tall would the sunflower be after w weeks?

19 inches.

Step-by-step explanation:

Height after 9 weeks=19

Height after w weeks=1w+10

Step-by-step explanation:

Height after 9 weeks: 1(9)+10=19

Height after w weeks: 1w+10

step-by-step explanation:

mean or average is 40.6

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.