The one-to-one functions g and h are defined as follows.

g={(-7, -1), (6, 7), (8, 6), (9, 1)}

h(x) = 3x - 10

Find the following.

g^-1(6)=__

h^-1(x)=__
(h^-1•h)(1)=__

Which linear equations have an infinite number of solutions? check all that apply.  (x  –  3/7)  =  2/7(3/2x  –  9/14)8(x  +  2)  =  5x  –  1412.3x  –  18  =  3(–6  +  4.1x)(6x  +  10)  =  7(x  –  2)4.2x  –  3.5  =  2.1 (5x  +  8)

The base of a triangle exceeds the height by 7 centimeters. if the area is 400 square centimeters, find the length of the base and the height of the triangle.

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?