Which function is the inverse of f of x is equal to negative 5 x minus 4 ?
It takes Franklin 14 hours to make a 200 -square-foot cement patio. It takes Scott 10 hours to make the same size patio. Which equation can be used to find x , the number of hours it would take Franklin and Scott to make the patio together?
A boy throws a baseball across a field. The ball reaches its maximum height, 18 meters, after 1 second. After approximately 2 point 3 seconds, the ball lands on the ground. The ball’s motion can be modeled using the function f of x is equal to negative 10 x squared plus 20 x plus 8 What is the height of the ball 1 point 5 seconds after it is thrown?
A boat has a speed of 15 mph in calm water. It takes the boat 3 hours to travel upstream but only 2 hours to travel the same distance downstream. Which equation can be used to find c , the speed of the current in miles per hour?
Four milliliters of ink A is added to 10 milliliters of ink B, forming a mixture of inks. Ink A contains 10 percent blue pigment. Ink B contains an unknown percentage of blue pigment. The mixture of the two inks contains 35 percent blue pigment. What percentage of blue pigment is in ink B?
A health club charges non-members 5 dollars per day to swim and 9 dollars per day for an exercise class. Members pay a yearly fee of 300 dollars plus 4 dollars per day to attend an exercise class and no swim fee. If Robert swims and takes an exercise class every time he goes to the gym, which equation shows the number of days, d , he must use the gym to make the membership worthwhile?
Which function is a quadratic function?
The cost of producing x soccer balls in thousands of dollars is represented by h of x is equal to 5 x plus 6 The revenue is represented by k times x is equal to 9 x minus 2 Which expression represents the profit, open paren k minus h close paren times x , of producing soccer balls?
Timmy writes the equation f of x is equal to 1 fourth x minus 1 He then doubles both of the terms on the right side to create the equation g of x is equal to 1 half x minus 2 . How does the graph of g of x compare to the graph of f of x ?
Which equation represents a linear function?
Susan plans to use 120 feet of fencing to enclose a rectangular area for a garden. Which equation best models the area, y , of the rectangular garden that she creates if one side is x feet long? cap A is equal to l w
The area of a trapezoid can be found using the formula cap A times x is equal to 1 half cap b x h x , where cap b times x is the sum of the bases and h of x is the height. Which graph could include the functions?
A rectangle has a length represented by the function f of x and a width represented by g of x x cap p times x is equal to 2 times open paren f plus g close paren of x cap A times x is equal to open paren f times g close paren of x 3 16 7 4 22 18 5 28 33 6 34 52 Which statement describes the combined functions cap p times x and cap A times x ?
What is the inverse of the function f of x is equal to x plus 3 ?
What values are excluded from the domain and range of the function f of x is equal to the fraction with numerator x plus 3 and denominator 2 x plus 5 ?
Which ordered pair can be removed so that the resulting graph represents a function?
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