sat - practice test # 2

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1 tilly earns p dollars for every w hours of work. which expression represents the amount of money, in dollars, tilly earns for w39 hours of work? a) p39 b) p 39 c) p + 39 d) p - 39 2 for a training program, juan rides his bike at an average rate of 5.7 minutes per mile. which function m models the number of minutes it will take juan to ride x miles at this rate? a) m x x = 5.7 ( ) b) m x x= + 5.7( ) c) m x x= - 5.7( ) d) m x x= 5.7( ) 3 4 s t= 40 + 3 the equation gives the speed s, in miles per hour, of a certain car t seconds after it began to accelerate. what is the speed, in miles per hour, of the car 5 seconds after it began to …
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f the graph shown is x( , 0). what is the value of x ? a) 4 b) 8 c) 7 d) 5 9 the function f is defined by f x x( ) = 7 3. in the xy-plane, the graph of y g x= ( ) is the result of shifting the graph of y f x= ( ) down 2 units. which equation defines function g ? a) g x x( ) = 7 2 3 b) g x x( ) = 7 3 2 c) g x x( ) = 7 + 23 d) g x x( ) = 7 − 23 10 x + 7 = 10 x y+ 7 =2( ) which ordered pair x y,( ) is a solution to the given system of equations? a) 3, 100( ) b) 3, 3( ) c) 3, 10( ) d) 3, 70( ) 11 which …
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................................................ a) 70 b) 65 c) 45 d) 95 14 a list of 10 data values is shown. 6, 8, 16, 4, 17, 26, 8, 5, 5, 5 what is the mean of these data? a) 17 b) 13 c) 12 d) 10 17 each year, the value of an investment increases by 0.49% of its value the previous year. which of the following functions best models how the value of the investment changes over time? a) decreasing exponential b) decreasing linear c) increasing exponential d) increasing linear 18 the population of greenville increased by 7% from 2015 to 2016. if the 2016 population is k times the 2015 population, what is the value of k ? a) 0.07 b) 0.7 c) 1.07 d) 1.7 19 which expression is equivalent to a 11 12 , where a > 0 ? a) a 13212 b) a 132144 c) a 132121 d) …
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f shows the value of k as the coefficient or the base? a) f x( ) = 50(1.6) x+1 b) f x( ) = 80(1.6) x c) f x( ) = 128(1.6) x−1 d) f x( ) = 204.8(1.6) x−2 25 a model estimates that at the end of each year from 2015 to 2020, the number of squirrels in a population was 150% more than the number of squirrels in the population at the end of the previous year. the model estimates that at the end of 2016, there were 180 squirrels in the population. which of the following equations represents this model, where n is the estimated number of squirrels in the population t years after the end of 2015 and t ≤ 5 ? a) n = 72(1.5) t b) n = 72(2.5) t c) n = 180(1.5) t d) n = 180(2.5) t ............................................................................................................................................................................................................................................................................................................... 26 x …
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1 tilly earns p dollars for every w hours of work. which expression represents the amount of money, in dollars, tilly earns for w39 hours of work? a) p39 b) p 39 c) p + 39 d) p - 39 2 for a training program, juan rides his bike at an average rate of 5.7 minutes per mile. which function m models the number of minutes it will take juan to ride x miles at this rate? a) m x x = 5.7 ( ) b) m x x= + 5.7( ) c) m x x= - 5.7( ) d) m x x= 5.7( ) 3 4 s t= 40 + 3 the equation gives the speed s, in miles …

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