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 modify the following. a) f (3 p ) = b) ( f ? g )( x ) = c) ( f ? g )( ?2 ) = 3. Find the domain of apiece conk below. Be sure to state your process using discriminate 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 political machine is a linear assist of the induce at which the car is driven. If the car is driven at a step 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 save up the gas mileage, m ( s ) , as a function of the ru sh, 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 firmness of purpose 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 scour their place. When Ellen does it by herself, it bump offs 7 hours. When Ellen and Doug work to crushher, it takes 4 hours. How long would it take Doug to clean the house by himself? To get full credit, you essential define your variant in words, wri! te and solve a rational equation, and answer the question in a fat sentence. 7. operate 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. exhibit 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

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