Find k. A'(5, 10) A(10,20)
I can’t find k

These question are hard can you me with answers

What is the value of x in the diagram below?

The table below shows the approximate height of an object x seconds after the object was dropped. the function h(x)= -16x^2 +100 models the data in the table. for which value of x would this model make it the least sense to use? a. -2.75 b. 0.25 c. 1.75 d. 2.25