Answer:
B and E.
Step-by-step explanation:
Hope this helps!
=)
<span>9/10-2/5
= </span><span>9/10 - 4/10
= 5/10
= 1/2</span>
We know
In a function
x represents the input and y represents output
So
x is time
So
f(30) represents distance traveled in 30mins
30+4X=90 (right angle is 90°)
X=15
4 (15)= 60
30+60= 90 so you know it's right