Which equation represents a proportional relationship? y=2(x+1) y = 4x + 3 y=−2/x y=32x

What are the possible rational zeros of [tex]f(x) = x^4+2x^3-3x^2-4x+18[/tex]

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

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