Use the substitution method
f(x)= 3-2x
f(4)= 3-2(4)
Do multiply first then subtract
= 3-8
= -5
Answer : f(4)= -5
<h2>$320,000 is what the company produces with 8000 units.-------------------------------------------------------</h2><h2>------------------------------------------------------------------------</h2><h2>------------------------------------------------------------------------</h2><h2>------------------------------------------------------------------------</h2><h2>------------------------------------------------------------------------</h2><h2 />
The ratio is 5:12
Glad I help you