Answer:
f(4) = 1
Step-by-step explanation:
f(4) = what?
So if we know that x, aka 4, is technicially f is greater then 2, so you can plug in x as 4. So that means 5(4) - 19 = 20 - 19 = 1, so f(4) = 1
Answer:
The equation is given by:

Step-by-step explanation:
During last years's charity walk, she raised $45.50.
During this years walk, she raised n, which is 7/10 of this amount. So, the equation is given by:

The slope of the line is 4/10
remember: rise over run
Answer:
y=|x|
Here's a graph if needed.
Answer:
16
Step-by-step explanation
Rotate the triangle so 8 is the base
1/2bh
1/2*8*4
16