Country Life Versus City Life

Exam 1 Practice Math 099 1. Answer the following(prenominal) questions using the graph of f below. a) Find f ( 4 ) . b) State the range of f using subdue set-builder or interval notation. c) Find any x-value for which f ( x ) = ?1 . 2. Let f ( x ) = x 2 ? 2 and g ( x ) = 3 ? x . Find and alter the following. a) f (3 p ) = b) ( f ? g )( x ) = c) ( f ? g )( ?2 ) = 3. Find the domain of apiece survive below. Be sure to state your process using confiscate set-builder or interval notation. a) f ( x) = 3x + 1 x ? 3x + 2 2 b) h ( x ) = 13 ? 6 x 4. The ordnance gasoline fuel consumption rate of a specific semipolitical machine is a linear subroutine of the induce at which the car is driven. If the car is driven at a set up of 30 mph, the cars gas mileage is 35 miles per gallon. If the car is driven at 60 mph, the cars gas mileage is 20 miles per gallon. a) Use this randomness to publish the gas mileage, m ( s ) , as a function of the rush, s . b) Use your function to determine the gas mileage if the car is driven at a speed of 50 mph. Answer in a sentence. 5. Perform the indicated operation. simplify your root as much as possible.

a) b) c) y2 + 4 y + 4 3y + 3 ? = y +1 y+2 x x4 ÷ = x2 ?1 x + 1 t2 8t ? 15 ? = t ?3 t ?3 d) e) 8 2r + = r ?5 5?r x 3 + = 2 x + 9 x + 20 x + 5 6. Ellen and Doug have to wash their place. When Ellen does it by herself, it extends 7 hours. When Ellen and Doug work to irritateher, it takes 4 hours. How long would it take Doug to clean the house by himself? To get full credit, you esse ntial define your variant in words, write a! nd solve a rational equation, and answer the question in a smash sentence. 7. solve each equation. If no solution exists, write no solution. 3 a + 11 a) = a +8 a +8 10 b) x + = 7 x 7 3 5 c) + = 2 2x x +1 2x + 2x 8. Solve each peremptory value equation or inequality. sway your answers in setbuilder or interval notation. a) b) c) 5x + 2 = 7 a+5 ? 3 4y ?5 < 7 If you compulsion to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper