So I’ll do question 3. So normally you see f(x)= something plus x (something like that) you see it as a function of x.
So that notation of f(-1) means the function of -1. Which means you need to sub in -1 for x.
f(x)=-5x+5
f(-1)=-5(-1)+5
Negative times a negative is a positive
f(-1)=5+5
f(-1)=10
If you do it 144 times that is (3+9)*12
This means that 12 times 3 red and 9 blue counters will be chosen that means that 9 blue counters will be chosen 12 times. 9*12 is 108.
This means blue counters will be chosen 108 times.
This can be checked as 108/3 would give you the number of red counters which is 36 and 108+36 is 144
Answer:
i dont remeber the exact answer but with the millions get rid of the 0s to add easier
Step-by-step explanation:
Use Pemdas
<span>76-183+56-1,543
</span><span>-107+56-1,543
</span><span>-51-1,543
</span>−<span>1594
</span>
−1594<span> is your answer.
</span>
Hoped I helped!
