4. Find the inverse of the function f(x) =V2x + 3
a. f-1 (x) = 12(x2 - 3)
b. f-1 (x) = 2x2 - 3
c. f (x) = 2(x2 - 3)
d. f-1(x) = (72x)2 - 3

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

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?