Write an algebraic expression for the specified quantity.An auto repair shop charged a customer $331.25 to repair a car. The bill listed $91.75 for parts and the remainder for labor. Let x = the number of hours of labor it took to repair the automobile. Write an algebraic expression in x for the labor charge per hour.
A. 
B. 
C. 
D. 
Answer: B
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Graph the equation as a solid line. Graph the inverse relation as a dashed line on the same axes by reflecting across the line y = x.x = 6
A. 
B. 
C. 
D. 
Use graphical methods to find values of x and y satisfying the given conditions. Find the value of the maximum or minimum.Find x ? 0 and y ? 0 such that3x + 2y ? 6 -2x + 4y ? 8 and z = 2x + 5y is maximized.
A. Maximum of 19 when x = 2 and y = 3
B. Maximum of 10 when x = 0 and y = 2
C. Maximum of 
when x = 
and y = 
D. Maximum of 
when x = 
and y = 2
Multiply.(2y + 11)(3y2 - 2y - 8)
A. 6y3 - 4y2 - 16y + 11 B. 39y2 - 26y - 104 C. 6y3 + 37y2 + 38y + 88 D. 6y3 + 29y2 - 38y - 88
Determine the period of the function and sketch its graph.y = cos 
A. period: 6
B. period: 6?
C. period: 6
D. period: 3