In the year 2000, there were approximately 9,500,000 people in Los Angeles County, California. What is 9,500,000 written in scientific notation?

9.5×10 −6

9.5×10 −5

9.5×10 5

9.5×10 6

Which of the following best describes the graph below? a. it is a function, but it is not one-to-one. b. it is a one-to-one function. c. it is not a function. d. it is a many-to-one function.

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)