The function f(x) = 3x2 + x + 1 represents the number, in thousands, of wrist bands Lin expects to sell x weeks after opening her shop. What is the average rate of change over the interval 1 ≤ x ≤ 2?
A) 10
B) 5
C) 15
D) -10

The lee family bought their home for $220,000 this year. the equation =220,000(1.038) v = 220 , 000 ( 1 . 038 ) x can be used to find the value, v, of their home after x years. which will be the value of the lee family's home in 5 years?

What is the difference between the equations of a vertical and a horizontal line?

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min. if they did not stop driving, how many miles could kyle and elijah drove in a whole day? ? 1 day = 24 hours. plzzz write a proportion i will give you 100 points