Answer:
the average is 168
Step-by-step explanation:
N/4 less than or equal to 5
Answer:
60
Step-by-step explanation:
(20x15)0.5
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
The right answer is 4 hoped i helped
