Select "equivalent" or "not equivalent" for each pair of expressions. Expressions
equivalent or not equivalent?

(1. 6x +4- 3x + 8 and 3x +4

equivalent
not equivalent?)

(2. 2y - 5+ 3y + 2 and 5y - 7
equivalent
not equivalent?)

(3.|4z +2 - 6x + 5 and -23 +7 equivalent
not equivalent?)

the first one

step-by-step explanation:

just id the test.

step-by-step explanation:

we have

using a graphing tool

see the attached figure

this is a quadratic equation (vertical parabola) open up

the vertex is a > vertex

the domain of the function is all real > interval (-∞,∞)

the range of the function is the > [-6.125,∞)

the function has two x->   and

the function is increasing over the > (0.25,∞)

the function is decreasing over the > (-∞,0.25)