Can someone help me calculate the volume of this prism? ​

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

Does anyone know how to do geometryme with this problem

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')