For eccn of the functions below, calculate the in verse function : h-dre=(ワナ 2)9u)%3D33%-1 +5 る) hx) = 2 メS

For the first 150 miles of a trip, a car drives at v mph. For the next 200 miles, the car drives at (v +25) mph. The average speed of the whole trip is 35 mph. Find the value of v. (A) 20 (B) 25 (C) 30 (D) 35

A 12.5-inch candle is lit and burns at a constant rate of 1.2 inches per hour. Let t represent the number of hours that have elapsed since the candle was lit. a. Write an expression in terms of t that represents the number of inches that have burned from the candle since it was lit. I=12.5-1.2t * Preview b. Write an expression in terms of t that represents the remaining length of the candle (in inches). * Preview c. Determine if the following statements are true or false. Select an answer * The number of inches that have burned from the candle is proportional to the amount of time since the candle has been burning. o Select an answer * The remaining length of the candle is proportional to the amount of time since the candle has been burning. Select an answer * The change in the candle's height is proportional the amount of time since the candle has been burning.

A rancher has 1500 feet of fence and would like to enclose a rectangular area that borders a river that forms a straight edge for one of the sides of the rectangle. The edge of the rectangle along the river does not need to be fenced. If X is the length of the side of the rectangle opposite the river edge, write an expression in X that calculates the total square feet of the rectangle.