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
80 times 1 divided by 10 is 8.
Answer:
10+2+0.3+0.05+0.007
Step-by-step explanation:
1:4 400/100 and you get 1:4 ... there was 1 person at the second show for every 4 at the first
The proportion who had<em> no such experience</em> was 0.362
<h3>
How the find the proportion?</h3>
Given:
Total sample: 3887
No that had no opinion: 1407
No that had at least one experience: 2480
Therefore, to find the proportion who had<em> no such experience</em> is:
Sample number/Total sample
1407/3887
=0.362
Read more about proportions here:
brainly.com/question/19994681
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