Answer:
f(3) = -43
Step-by-step explanation:
alright so all you have to do is substitute x with 3 so it gonna look like
-(3)^2-9(3)-7= f(x)
now you just have to solve
-9-27-7=f(x)
f(x)= -43
Answer: $2800
Step-by-step explanation:
if the function is f(x) and shes already saved $1000 plug in the functions, or in other words plug in x for weeks.
1000 + 150 x
(plug in x)
1000 + 150 x 12
so now you do 150 x 12 which equels 1800
then add how muh shes saved and thats will be your total.
The circumference of the circle is 762π cm.
<h3>What is length of arc of a circle?</h3>
The length of arc a circle can is determined with the radius and central angle of the arc.
The radius of the circle is calculated as follows;

The circumference of the circle is calculated as follows;

Learn more about circumference of a circle here: brainly.com/question/9782777
Harriest would make 28 yoyos. She would have about one inch of string remaining
Answer:

Step-by-step explanation: