Which verbal description can be represented by a linear function?

an investment of $2600 is made that increases at a rate of 5% annually.
a baseball player throws a baseball and the height of the ball at each second is recorded.
a writer has a 500 page novel to write and each week, she completes eight pages.
a bacteria cell grows by a factor of four each day.

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

On a architect's drawing of a house, 1 inche representa 1.5

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.