Question 1: Let f(x) = x - 4 and g(x) = x^2 - x

Find and simplify the expression.

(f + g)(- 6) =

(Simplify your answer.)

Question 2:

Let f(x)=2x^2+4 and g(x)= -4x+1.

Find the following.

(f-g)(-2)=

here the number -5 is all of the following except a rational number.

step-by-step explanation:

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step-by-step explanation:

answer: c.  

step-by-step explanation:

mixtures containing substances that get attracted to magnet can be separated using a magnet. we can separate iron from a mixture of sand and iron, as only iron attracts to the magnet.