F(x) = x + 7, g(x) = x - 7 (a) (f + g)(x) = (b) (f-g)(x)= (c) (fg)(x)= (d) (f/g)(x)=
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<span>3x+4=y+5, then y+5=3x+4
It is called: reflexive property
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<span>x = y and y = 10, then x = 10
It is called: equality substitution property
</span>
It is called: reflexive property
-----------------------------
</span>
<span>x = y and y = 10, then x = 10
It is called: equality substitution property
</span>