<em> by multiplying each term in the parentheses by the term outside</em>
-6(5y-2u-3) = (-6 × 5y) + (-6 × - 2u) + (-6 × -3)
= -30y + 12u + 18
f(5) = 9
Do this by substitution:
f(x) = 4x - 11
f(5) = 4(5) - 11
f(5) = 20 - 11
Answer:
12
Half of 24 is 12
I hope this helps C: