Provide an appropriate response.How could you solve the equation(7x + 5)(2x - 9)(8x - 6) = 0? How many equations do you need to solve? What are their solutions?
What will be an ideal response?
Set each factor equal to 0 in turn, and solve. There would thus be three equations to solve. - 
, 
, 
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Find the area of the surface generated by revolving the curve about the indicated axis. y = 
, 3/2 ? x ? 9/2; x-axis
A. 
?
B. 
?
C. 
?
D. 
?
Solve the problem.Let T(x, y) be the temperature at a point (x, y) in the plane. Draw the isothermal curves corresponding to T = 
, 
, 
, 0 if 
What will be an ideal response?
Solve the problem.The surface area of a cylinder whose radius is r inches and height is 9 inches is given by 
square inches. Express the surface area in factored form.
A. 2?r(r + 9) B. 2(?r2 + 18?r) C. 2?r(r + 18) D. 2?(r2 + 18?)
Choose the inequality that matches the graph.
A. y ? -x2 - 6x - 3 B. y > -x2 - 6x - 3 C. y ? -x2 - 6x - 3 D. y < -x2 - 6x - 3