Hope this helped and I’ve shown my work and the answer! :)
Answer:
(a) 3 - 2x - 2x² (b) -21
Step-by-step explanation:
given, y +2x² = 3 -2x
make y the subject:
y = 3 - 2x - 2x²
if y = f(x)
then
f(x) = 3 - 2x - 2x²
(b)<u> to find f(3) we need to replace x with 3:</u>
<u />
3 - 2(3) - 2*(3)²
-21
question 3 = $150 because 50% is one half of 100% so 300/2 = 150
2n-9-5-8n+4n
= 2n-14-4n
=2n-14
Answer:
10.56
Step-by-step explanation:
51°F − 32) × 5/9 = 10.56°C
