C.
No value of x has two values of y, thus it is a one-to-one function.
Answer:
12
Step-by-step explanation:
a=bh x 1/2
If you plug in 3=b and 8=h it is now
a= 3 x 8 x 1/2
3x8 is 24 times 1/2 is 12
Hope this helps :)
The answer is a (three eights over three fifths= five eights)