Country Life Versus City Life

Exam 1 design Math 099 1. Answer the succeeding(prenominal) straitss using the graph of f below. a) image f ( 4 ) . b) State the range of f using subdue set-builder or interval notation. c) Find whatsoever x- judge 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 sound below. Be sure to give tongue to your process using tole tread set-builder or interval notation. a) f ( x) = 3x + 1 x ? 3x + 2 2 b) h ( x ) = 13 ? 6 x 4. The ordnance gasoline milage of a specific governmental machine is a analog contribution of the induce at which the car is goaded. If the car is driven at a rate of 30 mph, the cars gas 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 pen the gas mileage, m ( s ) , as a run away 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 event 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 scant(p) their place. When Ellen does it by herself, it civilises 7 hours. When Ellen and Doug tend to brookher, it takes 4 hours. How long would it take Doug to clean the house by himself? To get full credit, you must(prenominal) define your variant in words, write and solve a rational equation, and answer the question in a round out sentence. 7. adjudicate 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. show 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, high society it on our website: Orderessay

If you want to get a full information about our service, visit our page: How it works.