Select whether the following statement is always true, sometimes true, or never true. a proof should have more steps in the reason column than steps in the statement column.

This is never true.

Step-by-step explanation:

A proof should have the same number of statements as reasons.  This is because in a proof, you are tasked with justifying every step that you take.  They should match.

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7