Which verbal description can be represented by a linear function? 1.an investment of $2600 is made that increases at a rate of 5% annually. 2.a baseball player throws a baseball and the height of the ball at each second is recorded. 3.a writer has a 500 page novel to write and each week, she completes eight pages. 4.a bacteria cell grows by a factor of four each day.

Anewborn baby had about 26,000,000,000 cells. an adult has about 4.94 times 10 to the 13 power cells. how many times as many cells does an adult have than a newborn

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations