ANSWER
See graph
EXPLANATION
We need to find the y-values for the ordered pairs by substituting the x-value in to the relation
when




This gives the ordered pair

when

.



This also gives the ordered pair

when


.

This also gives the ordered pair,

We now plot all the ordered pairs and draw a line through them.
I believe the answer is 104 km per hour. correct me if i’m wrong anyone.
Just subsitute 8 for n
1/2(8)^2-1/2(8)
1/2(64)-4
32-4
28
D
Answer:
7
Step-by-step explanation:
7 is the whole number and 1/3 is a fraction
3 feet 8 inches converted to inches is 3x12+8=44inches
44inches times 4 pieces is 176 inches.
176 inches converted back to feet and inches is 176/12=14 feet 8 inches so he would need 15 feet of board