HELP PLEASEIWJDO!NWDIOJQWILD

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Ineed me i stuck and i don’t want to get it wrong

Aline passes through 3,7 and 6,9 what equation represents the line