Answer:
12
Step-by-step explanation:
Equation: 5x + 9 - 4x
Plug in x = 3
New equation: 5(3) + 9 - 4(3)
Simplify: 15 + 9 - 12
Simplify: 12
<u>Answer: 12</u>
When multiplying any whole number by ten, all you need to do is add a zero at the end of the whole number.
The last digit would be 0.
Examples:
1 x 10 = 10
2 x 10 = 20
3 x 10 = 30
45 x 10 = 450
876 x 10 = 8,760
The function of the data is
.
Solution:
Let y = f(x)
Take any two points on the table.
(-3, 6) and (3, -3)
So 
Slope of the line:




Using point-slope formula:




Add 6 from both sides, we get


The function of the data is
.
57 times over 3 minutes
57/3 = 19 jumps per minute